253434401 has 16 divisors (see below), whose sum is σ = 292819968. Its totient is φ = 217074000.

The previous prime is 253434397. The next prime is 253434403. The reversal of 253434401 is 104434352.

It is not a de Polignac number, because 253434401 - 2² = 253434397 is a prime.

It is a super-2 number, since 2×253434401² = 128457991220457602, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (253434403) 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 15 ways as a sum of consecutive naturals, for example, 9476 + ... + 24426.

It is an arithmetic number, because the mean of its divisors is an integer number (18301248).

Almost surely, 2^253434401 is an apocalyptic number.

It is an amenable number.

253434401 is a deficient number, since it is larger than the sum of its proper divisors (39385567).

253434401 is a wasteful number, since it uses less digits than its factorization.

253434401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15052.

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 253434401 is about 15919.6231425244. The cubic root of 253434401 is about 632.8321312298.

Adding to 253434401 its reverse (104434352), we get a palindrome (357868753).

The spelling of 253434401 in words is "two hundred fifty-three million, four hundred thirty-four thousand, four hundred one".