25281460772 has 6 divisors (see below), whose sum is σ = 44242556358. Its totient is φ = 12640730384.

The previous prime is 25281460741. The next prime is 25281460777. The reversal of 25281460772 is 27706418252.

It can be written as a sum of positive squares in only one way, i.e., 12646351936 + 12635108836 = 112456^2 + 112406^2 .

It is not an unprimeable number, because it can be changed into a prime (25281460777) 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 as a sum of consecutive naturals, namely, 3160182593 + ... + 3160182600.

It is an arithmetic number, because the mean of its divisors is an integer number (7373759393).

Almost surely, 2^25281460772 is an apocalyptic number.

It is an amenable number.

25281460772 is a deficient number, since it is larger than the sum of its proper divisors (18961095586).

25281460772 is a wasteful number, since it uses less digits than its factorization.

25281460772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6320365197 (or 6320365195 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 44.

The spelling of 25281460772 in words is "twenty-five billion, two hundred eighty-one million, four hundred sixty thousand, seven hundred seventy-two".