2528149 has 8 divisors (see below), whose sum is σ = 2748312. Its totient is φ = 2311680.

The previous prime is 2528147. The next prime is 2528161. The reversal of 2528149 is 9418252.

2528149 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 4 ways, for example, as 49 + 2528100 = 7^2 + 1590^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2528149 - 2¹ = 2528147 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2528149.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2528147) 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 7 ways as a sum of consecutive naturals, for example, 609 + ... + 2329.

It is an arithmetic number, because the mean of its divisors is an integer number (343539).

2^2528149 is an apocalyptic number.

It is an amenable number.

2528149 is a deficient number, since it is larger than the sum of its proper divisors (220163).

2528149 is a wasteful number, since it uses less digits than its factorization.

2528149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1847.

The product of its digits is 5760, while the sum is 31.

The square root of 2528149 is about 1590.0154087304. The cubic root of 2528149 is about 136.2283684762.

It can be divided in two parts, 25281 and 49, that multiplied together give a square (1238769 = 1113²).

The spelling of 2528149 in words is "two million, five hundred twenty-eight thousand, one hundred forty-nine".