63345405 has 8 divisors (see below), whose sum is σ = 101352672. Its totient is φ = 33784208.

The previous prime is 63345397. The next prime is 63345421. The reversal of 63345405 is 50454336.

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

It is a cyclic number.

It is not a de Polignac number, because 63345405 - 2³ = 63345397 is a prime.

It is a super-2 number, since 2×63345405² = 8025280669228050, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2111499 + ... + 2111528.

It is an arithmetic number, because the mean of its divisors is an integer number (12669084).

Almost surely, 2^63345405 is an apocalyptic number.

It is an amenable number.

63345405 is a deficient number, since it is larger than the sum of its proper divisors (38007267).

63345405 is a wasteful number, since it uses less digits than its factorization.

63345405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4223035.

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 63345405 is about 7958.9826611194. The cubic root of 63345405 is about 398.6315843516.

The spelling of 63345405 in words is "sixty-three million, three hundred forty-five thousand, four hundred five".