352421253 has 32 divisors (see below), whose sum is σ = 568560000. Its totient is φ = 214897536.

The previous prime is 352421243. The next prime is 352421287. The reversal of 352421253 is 352124253.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-352421253 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352421213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3033 + ... + 26721.

It is an arithmetic number, because the mean of its divisors is an integer number (17767500).

Almost surely, 2^352421253 is an apocalyptic number.

It is an amenable number.

352421253 is a deficient number, since it is larger than the sum of its proper divisors (216138747).

352421253 is a wasteful number, since it uses less digits than its factorization.

352421253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23746 (or 23740 counting only the distinct ones).

The product of its digits is 7200, while the sum is 27.

The square root of 352421253 is about 18772.8861126892. The cubic root of 352421253 is about 706.3512157335.

The spelling of 352421253 in words is "three hundred fifty-two million, four hundred twenty-one thousand, two hundred fifty-three".