996949061 has 2 divisors, whose sum is σ = 996949062. Its totient is φ = 996949060.

The previous prime is 996949049. The next prime is 996949069. The reversal of 996949061 is 160949699.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 611572900 + 385376161 = 24730^2 + 19631^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996949061 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 996948994 and 996949012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (996949069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498474530 + 498474531.

It is an arithmetic number, because the mean of its divisors is an integer number (498474531).

Almost surely, 2^996949061 is an apocalyptic number.

It is an amenable number.

996949061 is a deficient number, since it is larger than the sum of its proper divisors (1).

996949061 is an equidigital number, since it uses as much as digits as its factorization.

996949061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 996949061 is about 31574.5001702323. The cubic root of 996949061 is about 998.9819843291.

The spelling of 996949061 in words is "nine hundred ninety-six million, nine hundred forty-nine thousand, sixty-one".