63232409 has 2 divisors, whose sum is σ = 63232410. Its totient is φ = 63232408.

The previous prime is 63232391. The next prime is 63232447. The reversal of 63232409 is 90423236.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 37699600 + 25532809 = 6140^2 + 5053^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63232409 is a prime.

It is not a weakly prime, because it can be changed into another prime (63232109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31616204 + 31616205.

It is an arithmetic number, because the mean of its divisors is an integer number (31616205).

Almost surely, 2^63232409 is an apocalyptic number.

It is an amenable number.

63232409 is a deficient number, since it is larger than the sum of its proper divisors (1).

63232409 is an equidigital number, since it uses as much as digits as its factorization.

63232409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 63232409 is about 7951.8808466928. The cubic root of 63232409 is about 398.3944159560.

The spelling of 63232409 in words is "sixty-three million, two hundred thirty-two thousand, four hundred nine".