332640577 has 2 divisors, whose sum is σ = 332640578. Its totient is φ = 332640576.

The previous prime is 332640551. The next prime is 332640589. The reversal of 332640577 is 775046233.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308669761 + 23970816 = 17569^2 + 4896^2 .

It is a cyclic number.

It is not a de Polignac number, because 332640577 - 2²⁷ = 198422849 is a prime.

It is a super-2 number, since 2×332640577² = 221299506933785858, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (332640877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166320288 + 166320289.

It is an arithmetic number, because the mean of its divisors is an integer number (166320289).

Almost surely, 2^332640577 is an apocalyptic number.

It is an amenable number.

332640577 is a deficient number, since it is larger than the sum of its proper divisors (1).

332640577 is an equidigital number, since it uses as much as digits as its factorization.

332640577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105840, while the sum is 37.

The square root of 332640577 is about 18238.4368025333. The cubic root of 332640577 is about 692.8806107999.

The spelling of 332640577 in words is "three hundred thirty-two million, six hundred forty thousand, five hundred seventy-seven".