63195025 has 12 divisors (see below), whose sum is σ = 80030592. Its totient is φ = 49479440.

The previous prime is 63195017. The next prime is 63195091. The reversal of 63195025 is 52059136.

It is not a de Polignac number, because 63195025 - 2³ = 63195017 is a prime.

It is a super-2 number, since 2×63195025² = 7987222369501250, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25717 + ... + 28066.

It is an arithmetic number, because the mean of its divisors is an integer number (6669216).

Almost surely, 2^63195025 is an apocalyptic number.

It is an amenable number.

63195025 is a deficient number, since it is larger than the sum of its proper divisors (16835567).

63195025 is a wasteful number, since it uses less digits than its factorization.

63195025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53840 (or 53835 counting only the distinct ones).

The product of its (nonzero) digits is 8100, while the sum is 31.

The square root of 63195025 is about 7949.5298603125. The cubic root of 63195025 is about 398.3158881190.

The spelling of 63195025 in words is "sixty-three million, one hundred ninety-five thousand, twenty-five".