632435534257 has 2 divisors, whose sum is σ = 632435534258. Its totient is φ = 632435534256.

The previous prime is 632435534219. The next prime is 632435534261. The reversal of 632435534257 is 752435534236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 618701803776 + 13733730481 = 786576^2 + 117191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-632435534257 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 632435534257.

It is not a weakly prime, because it can be changed into another prime (632435537257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 316217767128 + 316217767129.

It is an arithmetic number, because the mean of its divisors is an integer number (316217767129).

Almost surely, 2^632435534257 is an apocalyptic number.

It is an amenable number.

632435534257 is a deficient number, since it is larger than the sum of its proper divisors (1).

632435534257 is an equidigital number, since it uses as much as digits as its factorization.

632435534257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072000, while the sum is 49.

The spelling of 632435534257 in words is "six hundred thirty-two billion, four hundred thirty-five million, five hundred thirty-four thousand, two hundred fifty-seven".