332563421 has 4 divisors (see below), whose sum is σ = 332881500. Its totient is φ = 332245344.

The previous prime is 332563351. The next prime is 332563447. The reversal of 332563421 is 124365233.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124365233 = 71 ⋅1751623.

It can be written as a sum of positive squares in 2 ways, for example, as 218714521 + 113848900 = 14789^2 + 10670^2 .

It is a cyclic number.

It is not a de Polignac number, because 332563421 - 2²⁶ = 265454557 is a prime.

It is a super-2 number, since 2×332563421² = 221196857974446482, 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 (332560421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157466 + ... + 159563.

It is an arithmetic number, because the mean of its divisors is an integer number (83220375).

Almost surely, 2^332563421 is an apocalyptic number.

It is an amenable number.

332563421 is a deficient number, since it is larger than the sum of its proper divisors (318079).

332563421 is a wasteful number, since it uses less digits than its factorization.

332563421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318078.

The product of its digits is 12960, while the sum is 29.

The square root of 332563421 is about 18236.3214766575. The cubic root of 332563421 is about 692.8270354256.

The spelling of 332563421 in words is "three hundred thirty-two million, five hundred sixty-three thousand, four hundred twenty-one".