253355413 has 2 divisors, whose sum is σ = 253355414. Its totient is φ = 253355412.

The previous prime is 253355411. The next prime is 253355447. The reversal of 253355413 is 314553352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 229764964 + 23590449 = 15158^2 + 4857^2 .

It is a cyclic number.

It is not a de Polignac number, because 253355413 - 2¹ = 253355411 is a prime.

Together with 253355411, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (253355411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126677706 + 126677707.

It is an arithmetic number, because the mean of its divisors is an integer number (126677707).

Almost surely, 2^253355413 is an apocalyptic number.

It is an amenable number.

253355413 is a deficient number, since it is larger than the sum of its proper divisors (1).

253355413 is an equidigital number, since it uses as much as digits as its factorization.

253355413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 31.

The square root of 253355413 is about 15917.1421115727. The cubic root of 253355413 is about 632.7663793848.

The spelling of 253355413 in words is "two hundred fifty-three million, three hundred fifty-five thousand, four hundred thirteen".