63401207 has 4 divisors (see below), whose sum is σ = 63466176. Its totient is φ = 63336240.

The previous prime is 63401183. The next prime is 63401209. The reversal of 63401207 is 70210436.

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 63401207 - 2²⁴ = 46623991 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63401209) 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, 30998 + ... + 32979.

It is an arithmetic number, because the mean of its divisors is an integer number (15866544).

Almost surely, 2^63401207 is an apocalyptic number.

63401207 is a deficient number, since it is larger than the sum of its proper divisors (64969).

63401207 is an equidigital number, since it uses as much as digits as its factorization.

63401207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64968.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 63401207 is about 7962.4874882162. The cubic root of 63401207 is about 398.7486036841.

The spelling of 63401207 in words is "sixty-three million, four hundred one thousand, two hundred seven".