352472521 has 2 divisors, whose sum is σ = 352472522. Its totient is φ = 352472520.

The previous prime is 352472503. The next prime is 352472551. The reversal of 352472521 is 125274253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199826496 + 152646025 = 14136^2 + 12355^2 .

It is a cyclic number.

It is not a de Polignac number, because 352472521 - 2¹⁵ = 352439753 is a prime.

It is not a weakly prime, because it can be changed into another prime (352472551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176236260 + 176236261.

It is an arithmetic number, because the mean of its divisors is an integer number (176236261).

Almost surely, 2^352472521 is an apocalyptic number.

It is an amenable number.

352472521 is a deficient number, since it is larger than the sum of its proper divisors (1).

352472521 is an equidigital number, since it uses as much as digits as its factorization.

352472521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16800, while the sum is 31.

The square root of 352472521 is about 18774.2515430043. The cubic root of 352472521 is about 706.3854658986.

The spelling of 352472521 in words is "three hundred fifty-two million, four hundred seventy-two thousand, five hundred twenty-one".