63298409 has 4 divisors (see below), whose sum is σ = 63561300. Its totient is φ = 63035520.

The previous prime is 63298397. The next prime is 63298421. The reversal of 63298409 is 90489236.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (63298397) and next prime (63298421).

It can be written as a sum of positive squares in 2 ways, for example, as 46717225 + 16581184 = 6835^2 + 4072^2 .

It is a cyclic number.

It is not a de Polignac number, because 63298409 - 2²⁴ = 46521193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63258409) 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, 131084 + ... + 131565.

It is an arithmetic number, because the mean of its divisors is an integer number (15890325).

Almost surely, 2^63298409 is an apocalyptic number.

It is an amenable number.

63298409 is a deficient number, since it is larger than the sum of its proper divisors (262891).

63298409 is a wasteful number, since it uses less digits than its factorization.

63298409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262890.

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 63298409 is about 7956.0297259374. The cubic root of 63298409 is about 398.5329782791.

The spelling of 63298409 in words is "sixty-three million, two hundred ninety-eight thousand, four hundred nine".