25014538 has 4 divisors (see below), whose sum is σ = 37521810. Its totient is φ = 12507268.

The previous prime is 25014529. The next prime is 25014571. The reversal of 25014538 is 83541052.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16621929 + 8392609 = 4077^2 + 2897^2 .

It is a super-2 number, since 2×25014538² = 1251454222706888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6253633 + ... + 6253636.

Almost surely, 2^25014538 is an apocalyptic number.

25014538 is a deficient number, since it is larger than the sum of its proper divisors (12507272).

25014538 is a wasteful number, since it uses less digits than its factorization.

25014538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12507271.

The product of its (nonzero) digits is 4800, while the sum is 28.

The square root of 25014538 is about 5001.4535887080. The cubic root of 25014538 is about 292.4584419980.

It can be divided in two parts, 25014 and 538, that added together give a palindrome (25552).

The spelling of 25014538 in words is "twenty-five million, fourteen thousand, five hundred thirty-eight".