252422351 has 4 divisors (see below), whose sum is σ = 261126600. Its totient is φ = 243718104.

The previous prime is 252422347. The next prime is 252422369. The reversal of 252422351 is 153224252.

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

It is a cyclic number.

It is not a de Polignac number, because 252422351 - 2² = 252422347 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 252422351.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252422311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4352081 + ... + 4352138.

It is an arithmetic number, because the mean of its divisors is an integer number (65281650).

Almost surely, 2^252422351 is an apocalyptic number.

252422351 is a deficient number, since it is larger than the sum of its proper divisors (8704249).

252422351 is an equidigital number, since it uses as much as digits as its factorization.

252422351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8704248.

The product of its digits is 4800, while the sum is 26.

The square root of 252422351 is about 15887.8051032860. The cubic root of 252422351 is about 631.9886359317.

The spelling of 252422351 in words is "two hundred fifty-two million, four hundred twenty-two thousand, three hundred fifty-one".