252598251 has 4 divisors (see below), whose sum is σ = 336797672. Its totient is φ = 168398832.

The previous prime is 252598249. The next prime is 252598267. The reversal of 252598251 is 152895252.

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

It is not a de Polignac number, because 252598251 - 2¹ = 252598249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252598231) 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, 42099706 + ... + 42099711.

It is an arithmetic number, because the mean of its divisors is an integer number (84199418).

Almost surely, 2^252598251 is an apocalyptic number.

252598251 is a deficient number, since it is larger than the sum of its proper divisors (84199421).

252598251 is an equidigital number, since it uses as much as digits as its factorization.

252598251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84199420.

The product of its digits is 72000, while the sum is 39.

The square root of 252598251 is about 15893.3398315143. The cubic root of 252598251 is about 632.1354018427.

The spelling of 252598251 in words is "two hundred fifty-two million, five hundred ninety-eight thousand, two hundred fifty-one".