253252401 has 4 divisors (see below), whose sum is σ = 337669872. Its totient is φ = 168834932.

The previous prime is 253252397. The next prime is 253252409. The reversal of 253252401 is 104252352.

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 not a de Polignac number, because 253252401 - 2² = 253252397 is a prime.

It is a super-2 number, since 2×253252401² = 128273557224529602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (253252409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42208731 + ... + 42208736.

It is an arithmetic number, because the mean of its divisors is an integer number (84417468).

Almost surely, 2^253252401 is an apocalyptic number.

It is an amenable number.

253252401 is a deficient number, since it is larger than the sum of its proper divisors (84417471).

253252401 is an equidigital number, since it uses as much as digits as its factorization.

253252401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84417470.

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 253252401 is about 15913.9059001868. The cubic root of 253252401 is about 632.6806087465.

The spelling of 253252401 in words is "two hundred fifty-three million, two hundred fifty-two thousand, four hundred one".