632372381 has 2 divisors, whose sum is σ = 632372382. Its totient is φ = 632372380.

The previous prime is 632372369. The next prime is 632372393. The reversal of 632372381 is 183273236.

It is a balanced prime because it is at equal distance from previous prime (632372369) and next prime (632372393).

It can be written as a sum of positive squares in only one way, i.e., 632069881 + 302500 = 25141^2 + 550^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632372381 is a prime.

It is a super-2 number, since 2×632372381² = 799789656503218322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (632372581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316186190 + 316186191.

It is an arithmetic number, because the mean of its divisors is an integer number (316186191).

Almost surely, 2^632372381 is an apocalyptic number.

It is an amenable number.

632372381 is a deficient number, since it is larger than the sum of its proper divisors (1).

632372381 is an equidigital number, since it uses as much as digits as its factorization.

632372381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 35.

The square root of 632372381 is about 25147.0153497388. The cubic root of 632372381 is about 858.3365995121.

The spelling of 632372381 in words is "six hundred thirty-two million, three hundred seventy-two thousand, three hundred eighty-one".