63195215 has 8 divisors (see below), whose sum is σ = 76232448. Its totient is φ = 50290720.

The previous prime is 63195203. The next prime is 63195217. The reversal of 63195215 is 51259136.

63195215 = 201² + 202² + ... + 582².

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63195215 - 2⁴ = 63195199 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 (63195217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32132 + ... + 34041.

It is an arithmetic number, because the mean of its divisors is an integer number (9529056).

Almost surely, 2^63195215 is an apocalyptic number.

63195215 is a deficient number, since it is larger than the sum of its proper divisors (13037233).

63195215 is a wasteful number, since it uses less digits than its factorization.

63195215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66369.

The product of its digits is 8100, while the sum is 32.

The square root of 63195215 is about 7949.5418106958. The cubic root of 63195215 is about 398.3162873063.

The spelling of 63195215 in words is "sixty-three million, one hundred ninety-five thousand, two hundred fifteen".