25136738 has 16 divisors (see below), whose sum is σ = 41535936. Its totient is φ = 11313840.

The previous prime is 25136711. The next prime is 25136743. The reversal of 25136738 is 83763152.

It is a junction number, because it is equal to n+sod(n) for n = 25136698 and 25136707.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3281 + ... + 7812.

It is an arithmetic number, because the mean of its divisors is an integer number (2595996).

Almost surely, 2^25136738 is an apocalyptic number.

25136738 is a deficient number, since it is larger than the sum of its proper divisors (16399198).

25136738 is a wasteful number, since it uses less digits than its factorization.

25136738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11209.

The product of its digits is 30240, while the sum is 35.

The square root of 25136738 is about 5013.6551536778. The cubic root of 25136738 is about 292.9339039485.

The spelling of 25136738 in words is "twenty-five million, one hundred thirty-six thousand, seven hundred thirty-eight".