352412981 has 2 divisors, whose sum is σ = 352412982. Its totient is φ = 352412980.

The previous prime is 352412971. The next prime is 352413001. The reversal of 352412981 is 189214253.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 328841956 + 23571025 = 18134^2 + 4855^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-352412981 is a prime.

It is a super-2 number, since 2×352412981² = 248389818354612722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352412911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176206490 + 176206491.

It is an arithmetic number, because the mean of its divisors is an integer number (176206491).

Almost surely, 2^352412981 is an apocalyptic number.

It is an amenable number.

352412981 is a deficient number, since it is larger than the sum of its proper divisors (1).

352412981 is an equidigital number, since it uses as much as digits as its factorization.

352412981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 352412981 is about 18772.6657936480. The cubic root of 352412981 is about 706.3456892195.

The spelling of 352412981 in words is "three hundred fifty-two million, four hundred twelve thousand, nine hundred eighty-one".