63297031 has 4 divisors (see below), whose sum is σ = 72339472. Its totient is φ = 54254592.

The previous prime is 63297023. The next prime is 63297061. The reversal of 63297031 is 13079236.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 63297031 - 2³ = 63297023 is a prime.

It is a super-2 number, since 2×63297031² = 8013028266829922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63296984 and 63297002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63297061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4521210 + ... + 4521223.

It is an arithmetic number, because the mean of its divisors is an integer number (18084868).

Almost surely, 2^63297031 is an apocalyptic number.

63297031 is a deficient number, since it is larger than the sum of its proper divisors (9042441).

63297031 is an equidigital number, since it uses as much as digits as its factorization.

63297031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9042440.

The product of its (nonzero) digits is 6804, while the sum is 31.

The square root of 63297031 is about 7955.9431244825. The cubic root of 63297031 is about 398.5300862505.

The spelling of 63297031 in words is "sixty-three million, two hundred ninety-seven thousand, thirty-one".