634313530 has 8 divisors (see below), whose sum is σ = 1141764372. Its totient is φ = 253725408.

The previous prime is 634313507. The next prime is 634313531. The reversal of 634313530 is 35313436.

It can be written as a sum of positive squares in 2 ways, for example, as 553331529 + 80982001 = 23523^2 + 8999^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (634313531) 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, 31715667 + ... + 31715686.

Almost surely, 2^634313530 is an apocalyptic number.

634313530 is a deficient number, since it is larger than the sum of its proper divisors (507450842).

634313530 is a wasteful number, since it uses less digits than its factorization.

634313530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63431360.

The product of its (nonzero) digits is 9720, while the sum is 28.

The square root of 634313530 is about 25185.5817879993. The cubic root of 634313530 is about 859.2139608858.

Adding to 634313530 its reverse (35313436), we get a palindrome (669626966).

The spelling of 634313530 in words is "six hundred thirty-four million, three hundred thirteen thousand, five hundred thirty".