633134197 has 4 divisors (see below), whose sum is σ = 635656896. Its totient is φ = 630611500.

The previous prime is 633134171. The next prime is 633134231. The reversal of 633134197 is 791431336.

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 633134197 - 2⁷ = 633134069 is a prime.

It is a super-2 number, since 2×633134197² = 801717822821669618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633134137) 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, 1260973 + ... + 1261474.

It is an arithmetic number, because the mean of its divisors is an integer number (158914224).

Almost surely, 2^633134197 is an apocalyptic number.

It is an amenable number.

633134197 is a deficient number, since it is larger than the sum of its proper divisors (2522699).

633134197 is a wasteful number, since it uses less digits than its factorization.

633134197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522698.

The product of its digits is 40824, while the sum is 37.

The square root of 633134197 is about 25162.1580354309. The cubic root of 633134197 is about 858.6811392005.

The spelling of 633134197 in words is "six hundred thirty-three million, one hundred thirty-four thousand, one hundred ninety-seven".