632654645 has 16 divisors (see below), whose sum is σ = 868672128. Its totient is φ = 433304640.

The previous prime is 632654621. The next prime is 632654663. The reversal of 632654645 is 546456236.

It is a happy number.

It is not a de Polignac number, because 632654645 - 2⁸ = 632654389 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20390 + ... + 41000.

It is an arithmetic number, because the mean of its divisors is an integer number (54292008).

Almost surely, 2^632654645 is an apocalyptic number.

It is an amenable number.

632654645 is a deficient number, since it is larger than the sum of its proper divisors (236017483).

632654645 is a wasteful number, since it uses less digits than its factorization.

632654645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21500.

The product of its digits is 518400, while the sum is 41.

The square root of 632654645 is about 25152.6269999776. The cubic root of 632654645 is about 858.4642887717.

The spelling of 632654645 in words is "six hundred thirty-two million, six hundred fifty-four thousand, six hundred forty-five".