352898981 has 2 divisors, whose sum is σ = 352898982. Its totient is φ = 352898980.

The previous prime is 352898911. The next prime is 352898993. The reversal of 352898981 is 189898253.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 213422881 + 139476100 = 14609^2 + 11810^2 .

It is an emirp because it is prime and its reverse (189898253) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 352898981 - 2²² = 348704677 is a prime.

It is a super-2 number, since 2×352898981² = 249075381581676722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (352898911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 176449490 + 176449491.

It is an arithmetic number, because the mean of its divisors is an integer number (176449491).

Almost surely, 2^352898981 is an apocalyptic number.

It is an amenable number.

352898981 is a deficient number, since it is larger than the sum of its proper divisors (1).

352898981 is an equidigital number, since it uses as much as digits as its factorization.

352898981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1244160, while the sum is 53.

The square root of 352898981 is about 18785.6056862695. The cubic root of 352898981 is about 706.6702386740.

The spelling of 352898981 in words is "three hundred fifty-two million, eight hundred ninety-eight thousand, nine hundred eighty-one".