2900725 has 12 divisors (see below), whose sum is σ = 3721860. Its totient is φ = 2240000.

The previous prime is 2900719. The next prime is 2900731. The reversal of 2900725 is 5270092.

2900725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2900719) and next prime (2900731).

It can be written as a sum of positive squares in 6 ways, for example, as 485809 + 2414916 = 697^2 + 1554^2 .

It is not a de Polignac number, because 2900725 - 2¹¹ = 2898677 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

2900725 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2900725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1276 + ... + 2725.

It is an arithmetic number, because the mean of its divisors is an integer number (310155).

2^2900725 is an apocalyptic number.

2900725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2900725 is a deficient number, since it is larger than the sum of its proper divisors (821135).

2900725 is a wasteful number, since it uses less digits than its factorization.

2900725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4040 (or 4035 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 2900725 is about 1703.1514906197. The cubic root of 2900725 is about 142.6161974170.

It can be divided in two parts, 2900 and 725, that multiplied together give a square (2102500 = 1450²).

The spelling of 2900725 in words is "two million, nine hundred thousand, seven hundred twenty-five".