265130451 has 12 divisors (see below), whose sum is σ = 385538400. Its totient is φ = 175566480.

The previous prime is 265130449. The next prime is 265130471. The reversal of 265130451 is 154031562.

265130451 is a `hidden beast` number, since 2 + 651 + 3 + 0 + 4 + 5 + 1 = 666.

It is not a de Polignac number, because 265130451 - 2¹ = 265130449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (265130471) 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 11 ways as a sum of consecutive naturals, for example, 97515 + ... + 100196.

It is an arithmetic number, because the mean of its divisors is an integer number (32128200).

Almost surely, 2^265130451 is an apocalyptic number.

265130451 is a deficient number, since it is larger than the sum of its proper divisors (120407949).

265130451 is a wasteful number, since it uses less digits than its factorization.

265130451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197866 (or 197863 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 265130451 is about 16282.8268737342. The cubic root of 265130451 is about 642.4212087264.

The spelling of 265130451 in words is "two hundred sixty-five million, one hundred thirty thousand, four hundred fifty-one".