641583132 has 24 divisors (see below), whose sum is σ = 1499417472. Its totient is φ = 213519600.

The previous prime is 641583101. The next prime is 641583143. The reversal of 641583132 is 231385146.

It is a junction number, because it is equal to n+sod(n) for n = 641583093 and 641583102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34794 + ... + 49937.

It is an arithmetic number, because the mean of its divisors is an integer number (62475728).

Almost surely, 2^641583132 is an apocalyptic number.

It is an amenable number.

641583132 is an abundant number, since it is smaller than the sum of its proper divisors (857834340).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

641583132 is a wasteful number, since it uses less digits than its factorization.

641583132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85369 (or 85367 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 641583132 is about 25329.4913490184. The cubic root of 641583132 is about 862.4838647685.

The spelling of 641583132 in words is "six hundred forty-one million, five hundred eighty-three thousand, one hundred thirty-two".