25238738 has 16 divisors (see below), whose sum is σ = 43350144. Its totient is φ = 10795680.

The previous prime is 25238737. The next prime is 25238749. The reversal of 25238738 is 83783252.

It is not an unprimeable number, because it can be changed into a prime (25238737) 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, 7406 + ... + 10262.

It is an arithmetic number, because the mean of its divisors is an integer number (2709384).

Almost surely, 2^25238738 is an apocalyptic number.

25238738 is a deficient number, since it is larger than the sum of its proper divisors (18111406).

25238738 is a wasteful number, since it uses less digits than its factorization.

25238738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3497.

The product of its digits is 80640, while the sum is 38.

The square root of 25238738 is about 5023.8170746953. The cubic root of 25238738 is about 293.3295921814.

The spelling of 25238738 in words is "twenty-five million, two hundred thirty-eight thousand, seven hundred thirty-eight".