253205867 has 2 divisors, whose sum is σ = 253205868. Its totient is φ = 253205866.

The previous prime is 253205851. The next prime is 253205891. The reversal of 253205867 is 768502352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253205867 - 2⁴ = 253205851 is a prime.

It is a super-2 number, since 2×253205867² = 128226422166443378, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253205867.

It is not a weakly prime, because it can be changed into another prime (253205807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126602933 + 126602934.

It is an arithmetic number, because the mean of its divisors is an integer number (126602934).

Almost surely, 2^253205867 is an apocalyptic number.

253205867 is a deficient number, since it is larger than the sum of its proper divisors (1).

253205867 is an equidigital number, since it uses as much as digits as its factorization.

253205867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 253205867 is about 15912.4437783767. The cubic root of 253205867 is about 632.6418556255.

The spelling of 253205867 in words is "two hundred fifty-three million, two hundred five thousand, eight hundred sixty-seven".