332012491 has 2 divisors, whose sum is σ = 332012492. Its totient is φ = 332012490.

The previous prime is 332012489. The next prime is 332012519. The reversal of 332012491 is 194210233.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 332012491 - 2¹ = 332012489 is a prime.

It is a super-2 number, since 2×332012491² = 220464588360050162, which contains 22 as substring.

Together with 332012489, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (332013491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166006245 + 166006246.

It is an arithmetic number, because the mean of its divisors is an integer number (166006246).

Almost surely, 2^332012491 is an apocalyptic number.

332012491 is a deficient number, since it is larger than the sum of its proper divisors (1).

332012491 is an equidigital number, since it uses as much as digits as its factorization.

332012491 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 332012491 is about 18221.2099214075. The cubic root of 332012491 is about 692.4442411021. Note that the first 3 decimals are identical.

The spelling of 332012491 in words is "three hundred thirty-two million, twelve thousand, four hundred ninety-one".