63934261 has 8 divisors (see below), whose sum is σ = 66108600. Its totient is φ = 61783488.

The previous prime is 63934253. The next prime is 63934267. The reversal of 63934261 is 16243936.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21436900 + 42497361 = 4630^2 + 6519^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 63934261 - 2³ = 63934253 is a prime.

It is a super-2 number, since 2×63934261² = 8175179459232242, 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 (63934267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 11311.

It is an arithmetic number, because the mean of its divisors is an integer number (8263575).

Almost surely, 2^63934261 is an apocalyptic number.

It is an amenable number.

63934261 is a deficient number, since it is larger than the sum of its proper divisors (2174339).

63934261 is a wasteful number, since it uses less digits than its factorization.

63934261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11783.

The product of its digits is 23328, while the sum is 34.

The square root of 63934261 is about 7995.8902568757. The cubic root of 63934261 is about 399.8629968307.

The spelling of 63934261 in words is "sixty-three million, nine hundred thirty-four thousand, two hundred sixty-one".