632352431 has 4 divisors (see below), whose sum is σ = 637331712. Its totient is φ = 627373152.

The previous prime is 632352421. The next prime is 632352437. The reversal of 632352431 is 134253236.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632352431 is a prime.

It is a super-2 number, since 2×632352431² = 799739193983219522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 632352394 and 632352403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632352437) 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, 2489450 + ... + 2489703.

It is an arithmetic number, because the mean of its divisors is an integer number (159332928).

Almost surely, 2^632352431 is an apocalyptic number.

632352431 is a deficient number, since it is larger than the sum of its proper divisors (4979281).

632352431 is a wasteful number, since it uses less digits than its factorization.

632352431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4979280.

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

The square root of 632352431 is about 25146.6186792579. The cubic root of 632352431 is about 858.3275731874.

The spelling of 632352431 in words is "six hundred thirty-two million, three hundred fifty-two thousand, four hundred thirty-one".