634506045 has 64 divisors (see below), whose sum is σ = 1139546880. Its totient is φ = 299593728.

The previous prime is 634506031. The next prime is 634506143. The reversal of 634506045 is 540605436.

It is not a de Polignac number, because 634506045 - 2⁷ = 634505917 is a prime.

It is a super-2 number, since 2×634506045² = 805195842283084050, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 634505997 and 634506015.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 837807 + ... + 838563.

It is an arithmetic number, because the mean of its divisors is an integer number (17805420).

Almost surely, 2^634506045 is an apocalyptic number.

It is an amenable number.

634506045 is a deficient number, since it is larger than the sum of its proper divisors (505040835).

634506045 is a wasteful number, since it uses less digits than its factorization.

634506045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 974.

The product of its (nonzero) digits is 43200, while the sum is 33.

The square root of 634506045 is about 25189.4034268380. The cubic root of 634506045 is about 859.3008762867.

The spelling of 634506045 in words is "six hundred thirty-four million, five hundred six thousand, forty-five".