425422499 has 2 divisors, whose sum is σ = 425422500. Its totient is φ = 425422498.

The previous prime is 425422493. The next prime is 425422507. The reversal of 425422499 is 994224524.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425422499 is a prime.

It is not a weakly prime, because it can be changed into another prime (425422493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212711249 + 212711250.

It is an arithmetic number, because the mean of its divisors is an integer number (212711250).

Almost surely, 2^425422499 is an apocalyptic number.

425422499 is a deficient number, since it is larger than the sum of its proper divisors (1).

425422499 is an equidigital number, since it uses as much as digits as its factorization.

425422499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 207360, while the sum is 41.

The square root of 425422499 is about 20625.7726885564. The cubic root of 425422499 is about 752.0963565557.

The spelling of 425422499 in words is "four hundred twenty-five million, four hundred twenty-two thousand, four hundred ninety-nine".