252858623 has 2 divisors, whose sum is σ = 252858624. Its totient is φ = 252858622.

The previous prime is 252858583. The next prime is 252858643. The reversal of 252858623 is 326858252.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 252858623 - 2²² = 248664319 is a prime.

It is a super-2 number, since 2×252858623² = 127874966450912258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (252858643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126429311 + 126429312.

It is an arithmetic number, because the mean of its divisors is an integer number (126429312).

Almost surely, 2^252858623 is an apocalyptic number.

252858623 is a deficient number, since it is larger than the sum of its proper divisors (1).

252858623 is an equidigital number, since it uses as much as digits as its factorization.

252858623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 230400, while the sum is 41.

The square root of 252858623 is about 15901.5289516449. The cubic root of 252858623 is about 632.3525237464.

The spelling of 252858623 in words is "two hundred fifty-two million, eight hundred fifty-eight thousand, six hundred twenty-three".