252304551 has 10 divisors (see below), whose sum is σ = 376899512. Its totient is φ = 168202980.

The previous prime is 252304537. The next prime is 252304583. The reversal of 252304551 is 155403252.

It is a happy number.

It is not a de Polignac number, because 252304551 - 2⁶ = 252304487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252304501) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1557355 + ... + 1557516.

Almost surely, 2^252304551 is an apocalyptic number.

252304551 is a deficient number, since it is larger than the sum of its proper divisors (124594961).

252304551 is an equidigital number, since it uses as much as digits as its factorization.

252304551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3114883 (or 3114874 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 252304551 is about 15884.0974247831. The cubic root of 252304551 is about 631.8903088684.

The spelling of 252304551 in words is "two hundred fifty-two million, three hundred four thousand, five hundred fifty-one".