25062539 has 16 divisors (see below), whose sum is σ = 28846080. Its totient is φ = 21617280.

The previous prime is 25062533. The next prime is 25062547. The reversal of 25062539 is 93526052.

It is a cyclic number.

It is not a de Polignac number, because 25062539 - 2⁴ = 25062523 is a prime.

It is a super-2 number, since 2×25062539² = 1256261722253042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25062533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8762 + ... + 11264.

It is an arithmetic number, because the mean of its divisors is an integer number (1802880).

Almost surely, 2^25062539 is an apocalyptic number.

25062539 is a deficient number, since it is larger than the sum of its proper divisors (3783541).

25062539 is a wasteful number, since it uses less digits than its factorization.

25062539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2570.

The product of its (nonzero) digits is 16200, while the sum is 32.

The square root of 25062539 is about 5006.2499937578. The cubic root of 25062539 is about 292.6453909869.

The spelling of 25062539 in words is "twenty-five million, sixty-two thousand, five hundred thirty-nine".