332152621 has 4 divisors (see below), whose sum is σ = 332410012. Its totient is φ = 331895232.

The previous prime is 332152559. The next prime is 332152633. The reversal of 332152621 is 126251233.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 171243396 + 160909225 = 13086^2 + 12685^2 .

It is a cyclic number.

It is not a de Polignac number, because 332152621 - 2⁷ = 332152493 is a prime.

It is a super-2 number, since 2×332152621² = 220650727274339282, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (332152651) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126750 + ... + 129343.

It is an arithmetic number, because the mean of its divisors is an integer number (83102503).

Almost surely, 2^332152621 is an apocalyptic number.

It is an amenable number.

332152621 is a deficient number, since it is larger than the sum of its proper divisors (257391).

332152621 is a wasteful number, since it uses less digits than its factorization.

332152621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257390.

The product of its digits is 2160, while the sum is 25.

The square root of 332152621 is about 18225.0547598629. The cubic root of 332152621 is about 692.5416456337.

The spelling of 332152621 in words is "three hundred thirty-two million, one hundred fifty-two thousand, six hundred twenty-one".