32005925641 has 2 divisors, whose sum is σ = 32005925642. Its totient is φ = 32005925640.

The previous prime is 32005925597. The next prime is 32005925663. The reversal of 32005925641 is 14652950023.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22855090041 + 9150835600 = 151179^2 + 95660^2 .

It is a cyclic number.

It is not a de Polignac number, because 32005925641 - 2⁷ = 32005925513 is a prime.

It is a super-2 number, since 2×32005925641² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 32005925641.

It is not a weakly prime, because it can be changed into another prime (32005925741) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16002962820 + 16002962821.

It is an arithmetic number, because the mean of its divisors is an integer number (16002962821).

Almost surely, 2^32005925641 is an apocalyptic number.

It is an amenable number.

32005925641 is a deficient number, since it is larger than the sum of its proper divisors (1).

32005925641 is an equidigital number, since it uses as much as digits as its factorization.

32005925641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 37.

Subtracting from 32005925641 its sum of digits (37), we obtain a square (32005925604 = 178902²).

The spelling of 32005925641 in words is "thirty-two billion, five million, nine hundred twenty-five thousand, six hundred forty-one".