25254930724 has 27 divisors (see below), whose sum is σ = 44543119761. Its totient is φ = 12529095120.

The previous prime is 25254930721. The next prime is 25254930781. The reversal of 25254930724 is 42703945252.

The square root of 25254930724 is 158918.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 278289124 + 24976641600 = 16682^2 + 158040^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25254930721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 57528097 + ... + 57528535.

Almost surely, 2^25254930724 is an apocalyptic number.

25254930724 is the 158918-th square number.

It is an amenable number.

25254930724 is a deficient number, since it is larger than the sum of its proper divisors (19288189037).

25254930724 is an frugal number, since it uses more digits than its factorization.

25254930724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244 (or 622 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 43.

The spelling of 25254930724 in words is "twenty-five billion, two hundred fifty-four million, nine hundred thirty thousand, seven hundred twenty-four".