2502257 has 4 divisors (see below), whose sum is σ = 2505636. Its totient is φ = 2498880.

The previous prime is 2502251. The next prime is 2502259. The reversal of 2502257 is 7522052.

2502257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1100401 + 1401856 = 1049^2 + 1184^2 .

It is a cyclic number.

It is not a de Polignac number, because 2502257 - 2⁸ = 2502001 is a prime.

It is a super-2 number, since 2×2502257² = 12522580188098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2502251) 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 3 ways as a sum of consecutive naturals, for example, 44 + ... + 2237.

It is an arithmetic number, because the mean of its divisors is an integer number (626409).

2^2502257 is an apocalyptic number.

It is an amenable number.

2502257 is a deficient number, since it is larger than the sum of its proper divisors (3379).

2502257 is a wasteful number, since it uses less digits than its factorization.

2502257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3378.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 2502257 is about 1581.8523951368. The cubic root of 2502257 is about 135.7617114820.

The spelling of 2502257 in words is "two million, five hundred two thousand, two hundred fifty-seven".