63412247 has 4 divisors (see below), whose sum is σ = 63434616. Its totient is φ = 63389880.

The previous prime is 63412213. The next prime is 63412277. The reversal of 63412247 is 74221436.

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

It is a cyclic number.

It is not a de Polignac number, because 63412247 - 2¹⁰ = 63411223 is a prime.

It is a super-2 number, since 2×63412247² = 8042226139178018, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63412277) 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, 6188 + ... + 12849.

It is an arithmetic number, because the mean of its divisors is an integer number (15858654).

Almost surely, 2^63412247 is an apocalyptic number.

63412247 is a deficient number, since it is larger than the sum of its proper divisors (22369).

63412247 is a wasteful number, since it uses less digits than its factorization.

63412247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22368.

The product of its digits is 8064, while the sum is 29.

The square root of 63412247 is about 7963.1807087369. The cubic root of 63412247 is about 398.7717469296.

The spelling of 63412247 in words is "sixty-three million, four hundred twelve thousand, two hundred forty-seven".