634436245 has 8 divisors (see below), whose sum is σ = 762157440. Its totient is φ = 506993040.

The previous prime is 634436237. The next prime is 634436267. The reversal of 634436245 is 542634436.

It is a happy number.

634436245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 634436245 - 2³ = 634436237 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64441 + ... + 73630.

It is an arithmetic number, because the mean of its divisors is an integer number (95269680).

Almost surely, 2^634436245 is an apocalyptic number.

It is an amenable number.

634436245 is a deficient number, since it is larger than the sum of its proper divisors (127721195).

634436245 is a wasteful number, since it uses less digits than its factorization.

634436245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138995.

The product of its digits is 207360, while the sum is 37.

The square root of 634436245 is about 25188.0178854947. The cubic root of 634436245 is about 859.2693654754.

The spelling of 634436245 in words is "six hundred thirty-four million, four hundred thirty-six thousand, two hundred forty-five".