264345423451225 has 24 divisors (see below), whose sum is σ = 330400187479040. Its totient is φ = 209791577257920.

The previous prime is 264345423451177. The next prime is 264345423451253. The reversal of 264345423451225 is 522154324543462.

It is a de Polignac number, because none of the positive numbers 2^k-264345423451225 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30163291 + ... + 37927759.

Almost surely, 2^{264345423451225} is an apocalyptic number.

264345423451225 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

264345423451225 is a deficient number, since it is larger than the sum of its proper divisors (66054764027815).

264345423451225 is a wasteful number, since it uses less digits than its factorization.

264345423451225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7775329 (or 7775324 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 52.

Adding to 264345423451225 its reverse (522154324543462), we get a palindrome (786499747994687).

The spelling of 264345423451225 in words is "two hundred sixty-four trillion, three hundred forty-five billion, four hundred twenty-three million, four hundred fifty-one thousand, two hundred twenty-five".