252552780 has 36 divisors (see below), whose sum is σ = 766077312. Its totient is φ = 67347360.

The previous prime is 252552767. The next prime is 252552827. The reversal of 252552780 is 87255252.

252552780 is a `hidden beast` number, since 2 + 52 + 5 + 527 + 80 = 666.

252552780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 701356 + ... + 701715.

Almost surely, 2^252552780 is an apocalyptic number.

252552780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

252552780 is an abundant number, since it is smaller than the sum of its proper divisors (513524532).

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

252552780 is a wasteful number, since it uses less digits than its factorization.

252552780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1403086 (or 1403081 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The square root of 252552780 is about 15891.9092622630. The cubic root of 252552780 is about 632.0974686772.

The spelling of 252552780 in words is "two hundred fifty-two million, five hundred fifty-two thousand, seven hundred eighty".