32557823461 has 2 divisors, whose sum is σ = 32557823462. Its totient is φ = 32557823460.

The previous prime is 32557823381. The next prime is 32557823531. The reversal of 32557823461 is 16432875523.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28041177025 + 4516646436 = 167455^2 + 67206^2 .

It is an emirp because it is prime and its reverse (16432875523) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32557823461 - 2⁹ = 32557822949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32557823861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16278911730 + 16278911731.

It is an arithmetic number, because the mean of its divisors is an integer number (16278911731).

Almost surely, 2^32557823461 is an apocalyptic number.

It is an amenable number.

32557823461 is a deficient number, since it is larger than the sum of its proper divisors (1).

32557823461 is an equidigital number, since it uses as much as digits as its factorization.

32557823461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1209600, while the sum is 46.

The spelling of 32557823461 in words is "thirty-two billion, five hundred fifty-seven million, eight hundred twenty-three thousand, four hundred sixty-one".