32532023581 has 2 divisors, whose sum is σ = 32532023582. Its totient is φ = 32532023580.

The previous prime is 32532023507. The next prime is 32532023591. The reversal of 32532023581 is 18532023523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30895092900 + 1636930681 = 175770^2 + 40459^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32532023581 is a prime.

It is a super-2 number, since 2×32532023581² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32532023501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16266011790 + 16266011791.

It is an arithmetic number, because the mean of its divisors is an integer number (16266011791).

Almost surely, 2^32532023581 is an apocalyptic number.

It is an amenable number.

32532023581 is a deficient number, since it is larger than the sum of its proper divisors (1).

32532023581 is an equidigital number, since it uses as much as digits as its factorization.

32532023581 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43200, while the sum is 34.

The spelling of 32532023581 in words is "thirty-two billion, five hundred thirty-two million, twenty-three thousand, five hundred eighty-one".