632663057 has 8 divisors (see below), whose sum is σ = 685671336. Its totient is φ = 580275072.

The previous prime is 632663051. The next prime is 632663117. The reversal of 632663057 is 750366236.

It can be written as a sum of positive squares in 4 ways, for example, as 110586256 + 522076801 = 10516^2 + 22849^2 .

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

It is not a de Polignac number, because 632663057 - 2⁶ = 632662993 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 632663057.

It is not an unprimeable number, because it can be changed into a prime (632663051) 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, 152948 + ... + 157029.

It is an arithmetic number, because the mean of its divisors is an integer number (85708917).

Almost surely, 2^632663057 is an apocalyptic number.

It is an amenable number.

632663057 is a deficient number, since it is larger than the sum of its proper divisors (53008279).

632663057 is a wasteful number, since it uses less digits than its factorization.

632663057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310147.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 632663057 is about 25152.7942185356. The cubic root of 632663057 is about 858.4680935698.

The spelling of 632663057 in words is "six hundred thirty-two million, six hundred sixty-three thousand, fifty-seven".