63325409 has 4 divisors (see below), whose sum is σ = 72371904. Its totient is φ = 54278916.

The previous prime is 63325351. The next prime is 63325411. The reversal of 63325409 is 90452336.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63325409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (63325429) 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, 4523237 + ... + 4523250.

It is an arithmetic number, because the mean of its divisors is an integer number (18092976).

Almost surely, 2^63325409 is an apocalyptic number.

It is an amenable number.

63325409 is a deficient number, since it is larger than the sum of its proper divisors (9046495).

63325409 is an equidigital number, since it uses as much as digits as its factorization.

63325409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9046494.

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 63325409 is about 7957.7263712696. The cubic root of 63325409 is about 398.5896351051.

The spelling of 63325409 in words is "sixty-three million, three hundred twenty-five thousand, four hundred nine".