632406505 has 8 divisors (see below), whose sum is σ = 791883072. Its totient is φ = 483928368.

The previous prime is 632406491. The next prime is 632406557. The reversal of 632406505 is 505604236.

632406505 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 a cyclic number.

It is not a de Polignac number, because 632406505 - 2⁵ = 632406473 is a prime.

It is a Duffinian 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, 2749479 + ... + 2749708.

It is an arithmetic number, because the mean of its divisors is an integer number (98985384).

Almost surely, 2^632406505 is an apocalyptic number.

It is an amenable number.

632406505 is a deficient number, since it is larger than the sum of its proper divisors (159476567).

632406505 is a wasteful number, since it uses less digits than its factorization.

632406505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499215.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 632406505 is about 25147.6938306478. The cubic root of 632406505 is about 858.3520383854.

The spelling of 632406505 in words is "six hundred thirty-two million, four hundred six thousand, five hundred five".