265424402 has 4 divisors (see below), whose sum is σ = 398136606. Its totient is φ = 132712200.

The previous prime is 265424389. The next prime is 265424429. The reversal of 265424402 is 204424562.

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., 190964761 + 74459641 = 13819^2 + 8629^2 .

It is a super-2 number, since 2×265424402² = 140900226354115208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 66356099 + ... + 66356102.

Almost surely, 2^265424402 is an apocalyptic number.

265424402 is a deficient number, since it is larger than the sum of its proper divisors (132712204).

265424402 is a wasteful number, since it uses less digits than its factorization.

265424402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132712203.

The product of its (nonzero) digits is 15360, while the sum is 29.

The square root of 265424402 is about 16291.8507849784. The cubic root of 265424402 is about 642.6585392049.

Adding to 265424402 its reverse (204424562), we get a palindrome (469848964).

The spelling of 265424402 in words is "two hundred sixty-five million, four hundred twenty-four thousand, four hundred two".