633132506 has 4 divisors (see below), whose sum is σ = 949698762. Its totient is φ = 316566252.

The previous prime is 633132503. The next prime is 633132509. The reversal of 633132506 is 605231336.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (633132503) and next prime (633132509).

It can be written as a sum of positive squares in only one way, i.e., 588790225 + 44342281 = 24265^2 + 6659^2 .

It is not an unprimeable number, because it can be changed into a prime (633132503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 158283125 + ... + 158283128.

Almost surely, 2^633132506 is an apocalyptic number.

633132506 is a deficient number, since it is larger than the sum of its proper divisors (316566256).

633132506 is a wasteful number, since it uses less digits than its factorization.

633132506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 316566255.

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 633132506 is about 25162.1244333621. The cubic root of 633132506 is about 858.6803747332.

The spelling of 633132506 in words is "six hundred thirty-three million, one hundred thirty-two thousand, five hundred six".