253212351 has 24 divisors (see below), whose sum is σ = 402326064. Its totient is φ = 141160320.

The previous prime is 253212293. The next prime is 253212361. The reversal of 253212351 is 153212352.

It is a happy number.

It is not a de Polignac number, because 253212351 - 2⁶ = 253212287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253212361) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14980 + ... + 27033.

It is an arithmetic number, because the mean of its divisors is an integer number (16763586).

Almost surely, 2^253212351 is an apocalyptic number.

253212351 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

253212351 is a deficient number, since it is larger than the sum of its proper divisors (149113713).

253212351 is a wasteful number, since it uses less digits than its factorization.

253212351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42071 (or 42064 counting only the distinct ones).

The product of its digits is 1800, while the sum is 24.

The square root of 253212351 is about 15912.6475169910. The cubic root of 253212351 is about 632.6472557304.

Subtracting from 253212351 its reverse (153212352), we obtain a palindrome (99999999).

It can be divided in two parts, 25321 and 2351, that added together give a palindrome (27672).

The spelling of 253212351 in words is "two hundred fifty-three million, two hundred twelve thousand, three hundred fifty-one".