995762561 has 2 divisors, whose sum is σ = 995762562. Its totient is φ = 995762560.

The previous prime is 995762557. The next prime is 995762587. The reversal of 995762561 is 165267599.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 909625600 + 86136961 = 30160^2 + 9281^2 .

It is a cyclic number.

It is not a de Polignac number, because 995762561 - 2² = 995762557 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (995762591) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497881280 + 497881281.

It is an arithmetic number, because the mean of its divisors is an integer number (497881281).

Almost surely, 2^995762561 is an apocalyptic number.

It is an amenable number.

995762561 is a deficient number, since it is larger than the sum of its proper divisors (1).

995762561 is an equidigital number, since it uses as much as digits as its factorization.

995762561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1020600, while the sum is 50.

The square root of 995762561 is about 31555.7056805897. The cubic root of 995762561 is about 998.5855205245.

The spelling of 995762561 in words is "nine hundred ninety-five million, seven hundred sixty-two thousand, five hundred sixty-one".