634012353 has 40 divisors (see below), whose sum is σ = 1047589928. Its totient is φ = 379593216.

The previous prime is 634012283. The next prime is 634012361. The reversal of 634012353 is 353210436.

It is a happy number.

634012353 is a `hidden beast` number, since 634 + 0 + 1 + 23 + 5 + 3 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 277822224 + 356190129 = 16668^2 + 18873^2 .

It is not a de Polignac number, because 634012353 - 2⁹ = 634011841 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634012153) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 30825 + ... + 47097.

Almost surely, 2^634012353 is an apocalyptic number.

It is an amenable number.

634012353 is a deficient number, since it is larger than the sum of its proper divisors (413577575).

634012353 is a wasteful number, since it uses less digits than its factorization.

634012353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16335 (or 16326 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 634012353 is about 25179.6019229852. The cubic root of 634012353 is about 859.0779521993.

Adding to 634012353 its reverse (353210436), we get a palindrome (987222789).

The spelling of 634012353 in words is "six hundred thirty-four million, twelve thousand, three hundred fifty-three".