63331607 has 4 divisors (see below), whose sum is σ = 64679136. Its totient is φ = 61984080.

The previous prime is 63331601. The next prime is 63331633. The reversal of 63331607 is 70613336.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63331607 - 2¹⁰ = 63330583 is a prime.

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 63331607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63331601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 673694 + ... + 673787.

It is an arithmetic number, because the mean of its divisors is an integer number (16169784).

Almost surely, 2^63331607 is an apocalyptic number.

63331607 is a deficient number, since it is larger than the sum of its proper divisors (1347529).

63331607 is a wasteful number, since it uses less digits than its factorization.

63331607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347528.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 63331607 is about 7958.1157945835. The cubic root of 63331607 is about 398.6026387214.

The spelling of 63331607 in words is "sixty-three million, three hundred thirty-one thousand, six hundred seven".