332004661 has 2 divisors, whose sum is σ = 332004662. Its totient is φ = 332004660.

The previous prime is 332004643. The next prime is 332004683. The reversal of 332004661 is 166400233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292239025 + 39765636 = 17095^2 + 6306^2 .

It is a cyclic number.

It is not a de Polignac number, because 332004661 - 2²⁷ = 197786933 is a prime.

It is a super-2 number, since 2×332004661² = 220454189851449842, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332004601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166002330 + 166002331.

It is an arithmetic number, because the mean of its divisors is an integer number (166002331).

Almost surely, 2^332004661 is an apocalyptic number.

It is an amenable number.

332004661 is a deficient number, since it is larger than the sum of its proper divisors (1).

332004661 is an equidigital number, since it uses as much as digits as its factorization.

332004661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 332004661 is about 18220.9950606436. The cubic root of 332004661 is about 692.4387976513.

Adding to 332004661 its reverse (166400233), we get a palindrome (498404894).

The spelling of 332004661 in words is "three hundred thirty-two million, four thousand, six hundred sixty-one".