332557493 has 2 divisors, whose sum is σ = 332557494. Its totient is φ = 332557492.

The previous prime is 332557487. The next prime is 332557507. The reversal of 332557493 is 394755233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304921444 + 27636049 = 17462^2 + 5257^2 .

It is a cyclic number.

It is not a de Polignac number, because 332557493 - 2¹⁸ = 332295349 is a prime.

It is a super-2 number, since 2×332557493² = 221188972300890098, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 332557493.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332557793) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166278746 + 166278747.

It is an arithmetic number, because the mean of its divisors is an integer number (166278747).

Almost surely, 2^332557493 is an apocalyptic number.

It is an amenable number.

332557493 is a deficient number, since it is larger than the sum of its proper divisors (1).

332557493 is an equidigital number, since it uses as much as digits as its factorization.

332557493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 41.

The square root of 332557493 is about 18236.1589431547. The cubic root of 332557493 is about 692.8229188142.

The spelling of 332557493 in words is "three hundred thirty-two million, five hundred fifty-seven thousand, four hundred ninety-three".