63450331 has 8 divisors (see below), whose sum is σ = 72564224. Its totient is φ = 54348840.

The previous prime is 63450313. The next prime is 63450371. The reversal of 63450331 is 13305436.

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

It is not a de Polignac number, because 63450331 - 2⁹ = 63449819 is a prime.

It is a super-2 number, since 2×63450331² = 8051889008019122, 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 = 63450296 and 63450305.

It is not an unprimeable number, because it can be changed into a prime (63450371) 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, 14686 + ... + 18508.

It is an arithmetic number, because the mean of its divisors is an integer number (9070528).

Almost surely, 2^63450331 is an apocalyptic number.

63450331 is a deficient number, since it is larger than the sum of its proper divisors (9113893).

63450331 is a wasteful number, since it uses less digits than its factorization.

63450331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6201.

The product of its (nonzero) digits is 3240, while the sum is 25.

The square root of 63450331 is about 7965.5716053526. The cubic root of 63450331 is about 398.8515621318.

Adding to 63450331 its reverse (13305436), we get a palindrome (76755767).

The spelling of 63450331 in words is "sixty-three million, four hundred fifty thousand, three hundred thirty-one".