64132263 has 16 divisors (see below), whose sum is σ = 102319840. Its totient is φ = 39465792.

The previous prime is 64132247. The next prime is 64132291. The reversal of 64132263 is 36223146.

It is not a de Polignac number, because 64132263 - 2⁴ = 64132247 is a prime.

It is a super-2 number, since 2×64132263² = 8225894315002338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64132213) 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, 91006 + ... + 91707.

It is an arithmetic number, because the mean of its divisors is an integer number (6394990).

Almost surely, 2^64132263 is an apocalyptic number.

64132263 is a deficient number, since it is larger than the sum of its proper divisors (38187577).

64132263 is a wasteful number, since it uses less digits than its factorization.

64132263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182735 (or 182729 counting only the distinct ones).

The product of its digits is 5184, while the sum is 27.

The square root of 64132263 is about 8008.2621710331. The cubic root of 64132263 is about 400.2753583177.

The spelling of 64132263 in words is "sixty-four million, one hundred thirty-two thousand, two hundred sixty-three".