25738120 has 16 divisors (see below), whose sum is σ = 57910860. Its totient is φ = 10295232.

The previous prime is 25738099. The next prime is 25738129. The reversal of 25738120 is 2183752.

It can be written as a sum of positive squares in 2 ways, for example, as 23794884 + 1943236 = 4878^2 + 1394^2 .

It is a super-2 number, since 2×25738120² = 1324901642268800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25738129) 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 3 ways as a sum of consecutive naturals, for example, 321687 + ... + 321766.

Almost surely, 2^25738120 is an apocalyptic number.

25738120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25738120 is an abundant number, since it is smaller than the sum of its proper divisors (32172740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

25738120 is a wasteful number, since it uses less digits than its factorization.

25738120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643464 (or 643460 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 25738120 is about 5073.2750763190. The cubic root of 25738120 is about 295.2516095262.

The spelling of 25738120 in words is "twenty-five million, seven hundred thirty-eight thousand, one hundred twenty".