63534291 has 16 divisors (see below), whose sum is σ = 88310784. Its totient is φ = 40591584.

The previous prime is 63534281. The next prime is 63534301. The reversal of 63534291 is 19243536.

It is an interprime number because it is at equal distance from previous prime (63534281) and next prime (63534301).

It is a de Polignac number, because none of the positive numbers 2^k-63534291 is a prime.

It is a super-2 number, since 2×63534291² = 8073212265745362, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (63534281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3166 + ... + 11708.

It is an arithmetic number, because the mean of its divisors is an integer number (5519424).

Almost surely, 2^63534291 is an apocalyptic number.

63534291 is a deficient number, since it is larger than the sum of its proper divisors (24776493).

63534291 is a wasteful number, since it uses less digits than its factorization.

63534291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8650.

The product of its digits is 19440, while the sum is 33.

The square root of 63534291 is about 7970.8400435588. The cubic root of 63534291 is about 399.0274100051.

The spelling of 63534291 in words is "sixty-three million, five hundred thirty-four thousand, two hundred ninety-one".