332011997 has 2 divisors, whose sum is σ = 332011998. Its totient is φ = 332011996.

The previous prime is 332011993. The next prime is 332012027. The reversal of 332011997 is 799110233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 322346116 + 9665881 = 17954^2 + 3109^2 .

It is an emirp because it is prime and its reverse (799110233) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 332011997 - 2² = 332011993 is a prime.

It is a super-2 number, since 2×332011997² = 220463932303856018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332011991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166005998 + 166005999.

It is an arithmetic number, because the mean of its divisors is an integer number (166005999).

Almost surely, 2^332011997 is an apocalyptic number.

It is an amenable number.

332011997 is a deficient number, since it is larger than the sum of its proper divisors (1).

332011997 is an equidigital number, since it uses as much as digits as its factorization.

332011997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 332011997 is about 18221.1963657714. The cubic root of 332011997 is about 692.4438976737.

The spelling of 332011997 in words is "three hundred thirty-two million, eleven thousand, nine hundred ninety-seven".