996258491 has 2 divisors, whose sum is σ = 996258492. Its totient is φ = 996258490.

The previous prime is 996258479. The next prime is 996258503. The reversal of 996258491 is 194852699.

It is a balanced prime because it is at equal distance from previous prime (996258479) and next prime (996258503).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-996258491 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (996254491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 498129245 + 498129246.

It is an arithmetic number, because the mean of its divisors is an integer number (498129246).

Almost surely, 2^996258491 is an apocalyptic number.

996258491 is a deficient number, since it is larger than the sum of its proper divisors (1).

996258491 is an equidigital number, since it uses as much as digits as its factorization.

996258491 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 53.

The square root of 996258491 is about 31563.5627108221. The cubic root of 996258491 is about 998.7512716599.

The spelling of 996258491 in words is "nine hundred ninety-six million, two hundred fifty-eight thousand, four hundred ninety-one".