63359531 has 2 divisors, whose sum is σ = 63359532. Its totient is φ = 63359530.

The previous prime is 63359507. The next prime is 63359533. The reversal of 63359531 is 13595336.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63359531 - 2⁶ = 63359467 is a prime.

It is a super-2 number, since 2×63359531² = 8028860337079922, which contains 22 as substring.

Together with 63359533, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63359491 and 63359500.

It is not a weakly prime, because it can be changed into another prime (63359533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31679765 + 31679766.

It is an arithmetic number, because the mean of its divisors is an integer number (31679766).

Almost surely, 2^63359531 is an apocalyptic number.

63359531 is a deficient number, since it is larger than the sum of its proper divisors (1).

63359531 is an equidigital number, since it uses as much as digits as its factorization.

63359531 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36450, while the sum is 35.

The square root of 63359531 is about 7959.8700366275. The cubic root of 63359531 is about 398.6612137106.

The spelling of 63359531 in words is "sixty-three million, three hundred fifty-nine thousand, five hundred thirty-one".