25793138 has 16 divisors (see below), whose sum is σ = 44291904. Its totient is φ = 11035440.

The previous prime is 25793137. The next prime is 25793149. The reversal of 25793138 is 83139752.

It is not an unprimeable number, because it can be changed into a prime (25793137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9848 + ... + 12188.

It is an arithmetic number, because the mean of its divisors is an integer number (2768244).

Almost surely, 2^25793138 is an apocalyptic number.

25793138 is a deficient number, since it is larger than the sum of its proper divisors (18498766).

25793138 is a wasteful number, since it uses less digits than its factorization.

25793138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its digits is 45360, while the sum is 38.

The square root of 25793138 is about 5078.6945172948. The cubic root of 25793138 is about 295.4618371605.

It can be divided in two parts, 257931 and 38, that multiplied together give a triangular number (9801378 = T₄₄₂₇).

The spelling of 25793138 in words is "twenty-five million, seven hundred ninety-three thousand, one hundred thirty-eight".