63206325 has 150 divisors (see below), whose sum is σ = 147091714. Its totient is φ = 26671680.

The previous prime is 63206317. The next prime is 63206359. The reversal of 63206325 is 52360236.

63206325 is a `hidden beast` number, since 6 + 3 + 20 + 632 + 5 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 194481 + 63011844 = 441^2 + 7938^2 .

It is not a de Polignac number, because 63206325 - 2³ = 63206317 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 149 ways as a sum of consecutive naturals, for example, 4862019 + ... + 4862031.

Almost surely, 2^63206325 is an apocalyptic number.

63206325 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

63206325 is an abundant number, since it is smaller than the sum of its proper divisors (83885389).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

63206325 is an equidigital number, since it uses as much as digits as its factorization.

63206325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 63206325 is about 7950.2405623981. The cubic root of 63206325 is about 398.3396278638.

The spelling of 63206325 in words is "sixty-three million, two hundred six thousand, three hundred twenty-five".