424992961 has 2 divisors, whose sum is σ = 424992962. Its totient is φ = 424992960.

The previous prime is 424992947. The next prime is 424992983. The reversal of 424992961 is 169299424.

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., 284428225 + 140564736 = 16865^2 + 11856^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424992961 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (424992461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212496480 + 212496481.

It is an arithmetic number, because the mean of its divisors is an integer number (212496481).

Almost surely, 2^424992961 is an apocalyptic number.

It is an amenable number.

424992961 is a deficient number, since it is larger than the sum of its proper divisors (1).

424992961 is an equidigital number, since it uses as much as digits as its factorization.

424992961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 279936, while the sum is 46.

The square root of 424992961 is about 20615.3574065549. The cubic root of 424992961 is about 751.8431472928.

The spelling of 424992961 in words is "four hundred twenty-four million, nine hundred ninety-two thousand, nine hundred sixty-one".