63424345 has 4 divisors (see below), whose sum is σ = 76109220. Its totient is φ = 50739472.

The previous prime is 63424307. The next prime is 63424373. The reversal of 63424345 is 54342436.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46416969 + 17007376 = 6813^2 + 4124^2 .

It is a cyclic number.

It is not a de Polignac number, because 63424345 - 2⁷ = 63424217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6342430 + ... + 6342439.

It is an arithmetic number, because the mean of its divisors is an integer number (19027305).

Almost surely, 2^63424345 is an apocalyptic number.

It is an amenable number.

63424345 is a deficient number, since it is larger than the sum of its proper divisors (12684875).

63424345 is a wasteful number, since it uses less digits than its factorization.

63424345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12684874.

The product of its digits is 34560, while the sum is 31.

The square root of 63424345 is about 7963.9402935984. The cubic root of 63424345 is about 398.7971049851.

The spelling of 63424345 in words is "sixty-three million, four hundred twenty-four thousand, three hundred forty-five".