252651351 has 4 divisors (see below), whose sum is σ = 336868472. Its totient is φ = 168434232.

The previous prime is 252651337. The next prime is 252651353. The reversal of 252651351 is 153156252.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 252651351 - 2⁵ = 252651319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252651353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42108556 + ... + 42108561.

It is an arithmetic number, because the mean of its divisors is an integer number (84217118).

Almost surely, 2^252651351 is an apocalyptic number.

252651351 is a deficient number, since it is larger than the sum of its proper divisors (84217121).

252651351 is an equidigital number, since it uses as much as digits as its factorization.

252651351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84217120.

The product of its digits is 9000, while the sum is 30.

The square root of 252651351 is about 15895.0102547938. The cubic root of 252651351 is about 632.1796935694.

The spelling of 252651351 in words is "two hundred fifty-two million, six hundred fifty-one thousand, three hundred fifty-one".