332937421 has 2 divisors, whose sum is σ = 332937422. Its totient is φ = 332937420.

The previous prime is 332937419. The next prime is 332937463. The reversal of 332937421 is 124739233.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 286083396 + 46854025 = 16914^2 + 6845^2 .

It is a cyclic number.

It is not a de Polignac number, because 332937421 - 2¹ = 332937419 is a prime.

It is a super-2 number, since 2×332937421² = 221694652604262482, which contains 22 as substring.

Together with 332937419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (332937821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 166468710 + 166468711.

It is an arithmetic number, because the mean of its divisors is an integer number (166468711).

Almost surely, 2^332937421 is an apocalyptic number.

It is an amenable number.

332937421 is a deficient number, since it is larger than the sum of its proper divisors (1).

332937421 is an equidigital number, since it uses as much as digits as its factorization.

332937421 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27216, while the sum is 34.

The square root of 332937421 is about 18246.5728562928. The cubic root of 332937421 is about 693.0866553169.

The spelling of 332937421 in words is "three hundred thirty-two million, nine hundred thirty-seven thousand, four hundred twenty-one".