253414566 has 24 divisors (see below), whose sum is σ = 561835560. Its totient is φ = 82506816.

The previous prime is 253414547. The next prime is 253414583. The reversal of 253414566 is 665414352.

253414566 = 7958² + 7959² + ... + 7961².

253414566 is a `hidden beast` number, since 2 + 53 + 41 + 4 + 566 = 666.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 253414566.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 162931 + ... + 164478.

It is an arithmetic number, because the mean of its divisors is an integer number (23409815).

Almost surely, 2^253414566 is an apocalyptic number.

253414566 is an abundant number, since it is smaller than the sum of its proper divisors (308420994).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

253414566 is a wasteful number, since it uses less digits than its factorization.

253414566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327460 (or 327457 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The square root of 253414566 is about 15919.0001570450. Note that the first 3 decimals coincide. The cubic root of 253414566 is about 632.8156212996.

The spelling of 253414566 in words is "two hundred fifty-three million, four hundred fourteen thousand, five hundred sixty-six".