424907243 has 2 divisors, whose sum is σ = 424907244. Its totient is φ = 424907242.

The previous prime is 424907207. The next prime is 424907251. The reversal of 424907243 is 342709424.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424907243 is a prime.

It is a super-2 number, since 2×424907243² = 361092330307722098, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (424907143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212453621 + 212453622.

It is an arithmetic number, because the mean of its divisors is an integer number (212453622).

Almost surely, 2^424907243 is an apocalyptic number.

424907243 is a deficient number, since it is larger than the sum of its proper divisors (1).

424907243 is an equidigital number, since it uses as much as digits as its factorization.

424907243 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48384, while the sum is 35.

The square root of 424907243 is about 20613.2783176282. The cubic root of 424907243 is about 751.7925967895.

The spelling of 424907243 in words is "four hundred twenty-four million, nine hundred seven thousand, two hundred forty-three".