2539257 has 8 divisors (see below), whose sum is σ = 3869376. Its totient is φ = 1450992.

The previous prime is 2539231. The next prime is 2539261. The reversal of 2539257 is 7529352.

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

It is not a de Polignac number, because 2539257 - 2¹² = 2535161 is a prime.

It is a super-2 number, since 2×2539257² = 12895652224098, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2539267) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60438 + ... + 60479.

It is an arithmetic number, because the mean of its divisors is an integer number (483672).

2^2539257 is an apocalyptic number.

It is an amenable number.

2539257 is a deficient number, since it is larger than the sum of its proper divisors (1330119).

2539257 is a wasteful number, since it uses less digits than its factorization.

2539257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120927.

The product of its digits is 18900, while the sum is 33.

The square root of 2539257 is about 1593.5046281702. The cubic root of 2539257 is about 136.4275937959.

The spelling of 2539257 in words is "two million, five hundred thirty-nine thousand, two hundred fifty-seven".