63825831 has 12 divisors (see below), whose sum is σ = 92323920. Its totient is φ = 42490080.

The previous prime is 63825829. The next prime is 63825841. The reversal of 63825831 is 13852836.

It is not a de Polignac number, because 63825831 - 2¹ = 63825829 is a prime.

It is a super-2 number, since 2×63825831² = 8147473405681122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63825841) 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, 2190 + ... + 11508.

It is an arithmetic number, because the mean of its divisors is an integer number (7693660).

Almost surely, 2^63825831 is an apocalyptic number.

63825831 is a deficient number, since it is larger than the sum of its proper divisors (28498089).

63825831 is a wasteful number, since it uses less digits than its factorization.

63825831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10086 (or 10083 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 63825831 is about 7989.1070214386. The cubic root of 63825831 is about 399.6368182640.

The spelling of 63825831 in words is "sixty-three million, eight hundred twenty-five thousand, eight hundred thirty-one".