2919725 has 6 divisors (see below), whose sum is σ = 3620490. Its totient is φ = 2335760.

The previous prime is 2919703. The next prime is 2919727. The reversal of 2919725 is 5279192.

2919725 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 33124 + 2886601 = 182^2 + 1699^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2919725 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2919727) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 58370 + ... + 58419.

It is an arithmetic number, because the mean of its divisors is an integer number (603415).

2^2919725 is an apocalyptic number.

2919725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2919725 is a deficient number, since it is larger than the sum of its proper divisors (700765).

2919725 is a wasteful number, since it uses less digits than its factorization.

2919725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116799 (or 116794 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 2919725 is about 1708.7202813802. The cubic root of 2919725 is about 142.9269028340.

The spelling of 2919725 in words is "two million, nine hundred nineteen thousand, seven hundred twenty-five".