647010631 has 8 divisors (see below), whose sum is σ = 677278944. Its totient is φ = 616920480.

The previous prime is 647010613. The next prime is 647010653. The reversal of 647010631 is 136010746.

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 647010631 - 2¹⁷ = 646879559 is a prime.

It is a super-2 number, since 2×647010631² = 837245513254036322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 647010631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (647040631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37080 + ... + 51661.

It is an arithmetic number, because the mean of its divisors is an integer number (84659868).

Almost surely, 2^647010631 is an apocalyptic number.

647010631 is a deficient number, since it is larger than the sum of its proper divisors (30268313).

647010631 is a wasteful number, since it uses less digits than its factorization.

647010631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89081.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 647010631 is about 25436.4036569638. The cubic root of 647010631 is about 864.9091113699.

The spelling of 647010631 in words is "six hundred forty-seven million, ten thousand, six hundred thirty-one".