63465321 has 4 divisors (see below), whose sum is σ = 84620432. Its totient is φ = 42310212.

The previous prime is 63465313. The next prime is 63465371. The reversal of 63465321 is 12356436.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 63465321 - 2³ = 63465313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63465371) 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, 10577551 + ... + 10577556.

It is an arithmetic number, because the mean of its divisors is an integer number (21155108).

Almost surely, 2^63465321 is an apocalyptic number.

It is an amenable number.

63465321 is a deficient number, since it is larger than the sum of its proper divisors (21155111).

63465321 is a wasteful number, since it uses less digits than its factorization.

63465321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21155110.

The product of its digits is 12960, while the sum is 30.

The square root of 63465321 is about 7966.5124741006. The cubic root of 63465321 is about 398.8829689243.

The spelling of 63465321 in words is "sixty-three million, four hundred sixty-five thousand, three hundred twenty-one".