996541057 has 2 divisors, whose sum is σ = 996541058. Its totient is φ = 996541056.

The previous prime is 996541027. The next prime is 996541061. The reversal of 996541057 is 750145699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 668532736 + 328008321 = 25856^2 + 18111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996541057 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 996540998 and 996541016.

It is not a weakly prime, because it can be changed into another prime (996541027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498270528 + 498270529.

It is an arithmetic number, because the mean of its divisors is an integer number (498270529).

Almost surely, 2^996541057 is an apocalyptic number.

It is an amenable number.

996541057 is a deficient number, since it is larger than the sum of its proper divisors (1).

996541057 is an equidigital number, since it uses as much as digits as its factorization.

996541057 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 996541057 is about 31568.0385358356. The cubic root of 996541057 is about 998.8456870744.

The spelling of 996541057 in words is "nine hundred ninety-six million, five hundred forty-one thousand, fifty-seven".