253301564402 has 4 divisors (see below), whose sum is σ = 379952346606. Its totient is φ = 126650782200.

The previous prime is 253301564393. The next prime is 253301564423. The reversal of 253301564402 is 204465103352.

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., 212392861321 + 40908703081 = 460861^2 + 202259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63325391099 + ... + 63325391102.

Almost surely, 2^253301564402 is an apocalyptic number.

253301564402 is a deficient number, since it is larger than the sum of its proper divisors (126650782204).

253301564402 is a wasteful number, since it uses less digits than its factorization.

253301564402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126650782203.

The product of its (nonzero) digits is 86400, while the sum is 35.

Adding to 253301564402 its reverse (204465103352), we get a palindrome (457766667754).

The spelling of 253301564402 in words is "two hundred fifty-three billion, three hundred one million, five hundred sixty-four thousand, four hundred two".