636545482 has 4 divisors (see below), whose sum is σ = 954818226. Its totient is φ = 318272740.

The previous prime is 636545477. The next prime is 636545491. The reversal of 636545482 is 284545636.

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

It can be written as a sum of positive squares in only one way, i.e., 570302161 + 66243321 = 23881^2 + 8139^2 .

It is a super-2 number, since 2×636545482² = 810380301309224648, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 159136369 + ... + 159136372.

Almost surely, 2^636545482 is an apocalyptic number.

636545482 is a deficient number, since it is larger than the sum of its proper divisors (318272744).

636545482 is a wasteful number, since it uses less digits than its factorization.

636545482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 318272743.

The product of its digits is 691200, while the sum is 43.

The square root of 636545482 is about 25229.8529920410. The cubic root of 636545482 is about 860.2205500685.

The spelling of 636545482 in words is "six hundred thirty-six million, five hundred forty-five thousand, four hundred eighty-two".