253064564 has 6 divisors (see below), whose sum is σ = 442862994. Its totient is φ = 126532280.

The previous prime is 253064549. The next prime is 253064611. The reversal of 253064564 is 465460352.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 253064464 + 100 = 15908^2 + 10^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31633067 + ... + 31633074.

It is an arithmetic number, because the mean of its divisors is an integer number (73810499).

Almost surely, 2^253064564 is an apocalyptic number.

It is an amenable number.

253064564 is a deficient number, since it is larger than the sum of its proper divisors (189798430).

253064564 is a wasteful number, since it uses less digits than its factorization.

253064564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63266145 (or 63266143 counting only the distinct ones).

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

The square root of 253064564 is about 15908.0031430724. The cubic root of 253064564 is about 632.5241505774.

The spelling of 253064564 in words is "two hundred fifty-three million, sixty-four thousand, five hundred sixty-four".