636106297 has 4 divisors (see below), whose sum is σ = 641115136. Its totient is φ = 631097460.

The previous prime is 636106291. The next prime is 636106307. The reversal of 636106297 is 792601636.

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 636106297 - 2⁷ = 636106169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (636106291) 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, 2504229 + ... + 2504482.

It is an arithmetic number, because the mean of its divisors is an integer number (160278784).

Almost surely, 2^636106297 is an apocalyptic number.

It is an amenable number.

636106297 is a deficient number, since it is larger than the sum of its proper divisors (5008839).

636106297 is a wasteful number, since it uses less digits than its factorization.

636106297 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5008838.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 636106297 is about 25221.1478128970. The cubic root of 636106297 is about 860.0226679621.

The spelling of 636106297 in words is "six hundred thirty-six million, one hundred six thousand, two hundred ninety-seven".