25242325466 has 4 divisors (see below), whose sum is σ = 37863488202. Its totient is φ = 12621162732.

The previous prime is 25242325457. The next prime is 25242325469. The reversal of 25242325466 is 66452324252.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 21875889025 + 3366436441 = 147905^2 + 58021^2 .

It is not an unprimeable number, because it can be changed into a prime (25242325469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6310581365 + ... + 6310581368.

Almost surely, 2^25242325466 is an apocalyptic number.

25242325466 is a deficient number, since it is larger than the sum of its proper divisors (12621162736).

25242325466 is a wasteful number, since it uses less digits than its factorization.

25242325466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12621162735.

The product of its digits is 691200, while the sum is 41.

The spelling of 25242325466 in words is "twenty-five billion, two hundred forty-two million, three hundred twenty-five thousand, four hundred sixty-six".