63112261 has 8 divisors (see below), whose sum is σ = 64842624. Its totient is φ = 61393920.

The previous prime is 63112183. The next prime is 63112267. The reversal of 63112261 is 16221136.

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 63112261 - 2²³ = 54723653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63112267) 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, 8196 + ... + 13906.

It is an arithmetic number, because the mean of its divisors is an integer number (8105328).

Almost surely, 2^63112261 is an apocalyptic number.

It is an amenable number.

63112261 is a deficient number, since it is larger than the sum of its proper divisors (1730363).

63112261 is a wasteful number, since it uses less digits than its factorization.

63112261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6011.

The product of its digits is 432, while the sum is 22.

The square root of 63112261 is about 7944.3225639446. The cubic root of 63112261 is about 398.1419260170.

Adding to 63112261 its reverse (16221136), we get a palindrome (79333397).

The spelling of 63112261 in words is "sixty-three million, one hundred twelve thousand, two hundred sixty-one".