63825669 has 12 divisors (see below), whose sum is σ = 93756000. Its totient is φ = 41828904.

The previous prime is 63825661. The next prime is 63825691. The reversal of 63825669 is 96652836.

It is a happy number.

63825669 is a `hidden beast` number, since 6 + 3 + 82 + 566 + 9 = 666.

It is not a de Polignac number, because 63825669 - 2³ = 63825661 is a prime.

It is a super-2 number, since 2×63825669² = 8147432046595122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63825661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59569 + ... + 60630.

It is an arithmetic number, because the mean of its divisors is an integer number (7813000).

Almost surely, 2^63825669 is an apocalyptic number.

It is an amenable number.

63825669 is a deficient number, since it is larger than the sum of its proper divisors (29930331).

63825669 is a wasteful number, since it uses less digits than its factorization.

63825669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120264 (or 120261 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 63825669 is about 7989.0968826270. The cubic root of 63825669 is about 399.6364801500.

The spelling of 63825669 in words is "sixty-three million, eight hundred twenty-five thousand, six hundred sixty-nine".