632576257 has 4 divisors (see below), whose sum is σ = 633020976. Its totient is φ = 632131540.

The previous prime is 632576233. The next prime is 632576261. The reversal of 632576257 is 752675236.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 632576257 - 2⁷ = 632576129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (632576267) 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, 220219 + ... + 223072.

It is an arithmetic number, because the mean of its divisors is an integer number (158255244).

Almost surely, 2^632576257 is an apocalyptic number.

It is an amenable number.

632576257 is a deficient number, since it is larger than the sum of its proper divisors (444719).

632576257 is a wasteful number, since it uses less digits than its factorization.

632576257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444718.

The product of its digits is 529200, while the sum is 43.

The square root of 632576257 is about 25151.0687049278. The cubic root of 632576257 is about 858.4288317870.

The spelling of 632576257 in words is "six hundred thirty-two million, five hundred seventy-six thousand, two hundred fifty-seven".