253162401 has 4 divisors (see below), whose sum is σ = 337549872. Its totient is φ = 168774932.

The previous prime is 253162363. The next prime is 253162409. The reversal of 253162401 is 104261352.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-253162401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (253162409) 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, 42193731 + ... + 42193736.

It is an arithmetic number, because the mean of its divisors is an integer number (84387468).

Almost surely, 2^253162401 is an apocalyptic number.

It is an amenable number.

253162401 is a deficient number, since it is larger than the sum of its proper divisors (84387471).

253162401 is an equidigital number, since it uses as much as digits as its factorization.

253162401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84387470.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 253162401 is about 15911.0779333143. The cubic root of 253162401 is about 632.6056532198.

The spelling of 253162401 in words is "two hundred fifty-three million, one hundred sixty-two thousand, four hundred one".