253434911 has 2 divisors, whose sum is σ = 253434912. Its totient is φ = 253434910.

The previous prime is 253434893. The next prime is 253434949. The reversal of 253434911 is 119434352.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 253434911 - 2¹⁴ = 253418527 is a prime.

It is a super-2 number, since 2×253434911² = 128458508227155842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253434971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126717455 + 126717456.

It is an arithmetic number, because the mean of its divisors is an integer number (126717456).

Almost surely, 2^253434911 is an apocalyptic number.

253434911 is a deficient number, since it is larger than the sum of its proper divisors (1).

253434911 is an equidigital number, since it uses as much as digits as its factorization.

253434911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 32.

The square root of 253434911 is about 15919.6391604835. The cubic root of 253434911 is about 632.8325557239.

The spelling of 253434911 in words is "two hundred fifty-three million, four hundred thirty-four thousand, nine hundred eleven".