63253631 has 8 divisors (see below), whose sum is σ = 72412704. Its totient is φ = 54125280.

The previous prime is 63253621. The next prime is 63253691. The reversal of 63253631 is 13635236.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63253631 is a prime.

It is a super-2 number, since 2×63253631² = 8002043669368322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 63253594 and 63253603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63253601) 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, 3080 + ... + 11661.

It is an arithmetic number, because the mean of its divisors is an integer number (9051588).

Almost surely, 2^63253631 is an apocalyptic number.

63253631 is a deficient number, since it is larger than the sum of its proper divisors (9159073).

63253631 is a wasteful number, since it uses less digits than its factorization.

63253631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15361.

The product of its digits is 9720, while the sum is 29.

The square root of 63253631 is about 7953.2151360315. The cubic root of 63253631 is about 398.4389805538.

Adding to 63253631 its reverse (13635236), we get a palindrome (76888867).

The spelling of 63253631 in words is "sixty-three million, two hundred fifty-three thousand, six hundred thirty-one".