632421283 has 8 divisors (see below), whose sum is σ = 681797088. Its totient is φ = 583149504.

The previous prime is 632421263. The next prime is 632421287. The reversal of 632421283 is 382124236.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 632421283 - 2⁹ = 632420771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632421287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13135 + ... + 37912.

It is an arithmetic number, because the mean of its divisors is an integer number (85224636).

Almost surely, 2^632421283 is an apocalyptic number.

632421283 is a deficient number, since it is larger than the sum of its proper divisors (49375805).

632421283 is a wasteful number, since it uses less digits than its factorization.

632421283 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52013.

The product of its digits is 13824, while the sum is 31.

The square root of 632421283 is about 25147.9876530907. The cubic root of 632421283 is about 858.3587242895.

The spelling of 632421283 in words is "six hundred thirty-two million, four hundred twenty-one thousand, two hundred eighty-three".