63361273 has 4 divisors (see below), whose sum is σ = 64014580. Its totient is φ = 62707968.

The previous prime is 63361271. The next prime is 63361283. The reversal of 63361273 is 37216336.

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

It can be written as a sum of positive squares in 2 ways, for example, as 48399849 + 14961424 = 6957^2 + 3868^2 .

It is a cyclic number.

It is not a de Polignac number, because 63361273 - 2¹ = 63361271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63361271) 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, 326508 + ... + 326701.

It is an arithmetic number, because the mean of its divisors is an integer number (16003645).

Almost surely, 2^63361273 is an apocalyptic number.

It is an amenable number.

63361273 is a deficient number, since it is larger than the sum of its proper divisors (653307).

63361273 is an equidigital number, since it uses as much as digits as its factorization.

63361273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 653306.

The product of its digits is 13608, while the sum is 31.

The square root of 63361273 is about 7959.9794597725. The cubic root of 63361273 is about 398.6648672597.

The spelling of 63361273 in words is "sixty-three million, three hundred sixty-one thousand, two hundred seventy-three".