253470064 has 10 divisors (see below), whose sum is σ = 491098280. Its totient is φ = 126735024.

The previous prime is 253470059. The next prime is 253470073. The reversal of 253470064 is 460074352.

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, 7920924 + ... + 7920955.

It is an arithmetic number, because the mean of its divisors is an integer number (49109828).

Almost surely, 2^253470064 is an apocalyptic number.

It is an amenable number.

253470064 is a deficient number, since it is larger than the sum of its proper divisors (237628216).

253470064 is a wasteful number, since it uses less digits than its factorization.

253470064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15841887 (or 15841881 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 31.

The square root of 253470064 is about 15920.7431987329. The cubic root of 253470064 is about 632.8618136430.

The spelling of 253470064 in words is "two hundred fifty-three million, four hundred seventy thousand, sixty-four".