63242409 has 8 divisors (see below), whose sum is σ = 85914432. Its totient is φ = 41366000.

The previous prime is 63242407. The next prime is 63242419. The reversal of 63242409 is 90424236.

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 63242409 - 2¹ = 63242407 is a prime.

It is a super-2 number, since 2×63242409² = 7999204592246562, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63242407) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198717 + ... + 199034.

It is an arithmetic number, because the mean of its divisors is an integer number (10739304).

Almost surely, 2^63242409 is an apocalyptic number.

It is an amenable number.

63242409 is a deficient number, since it is larger than the sum of its proper divisors (22672023).

63242409 is a wasteful number, since it uses less digits than its factorization.

63242409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397807.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 63242409 is about 7952.5096038923. The cubic root of 63242409 is about 398.4154164431.

The spelling of 63242409 in words is "sixty-three million, two hundred forty-two thousand, four hundred nine".