425234899 has 2 divisors, whose sum is σ = 425234900. Its totient is φ = 425234898.

The previous prime is 425234867. The next prime is 425234921. The reversal of 425234899 is 998432524.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 425234899 - 2⁵ = 425234867 is a prime.

It is not a weakly prime, because it can be changed into another prime (425234809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212617449 + 212617450.

It is an arithmetic number, because the mean of its divisors is an integer number (212617450).

Almost surely, 2^425234899 is an apocalyptic number.

425234899 is a deficient number, since it is larger than the sum of its proper divisors (1).

425234899 is an equidigital number, since it uses as much as digits as its factorization.

425234899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 622080, while the sum is 46.

The square root of 425234899 is about 20621.2244786773. The cubic root of 425234899 is about 751.9857888093.

The spelling of 425234899 in words is "four hundred twenty-five million, two hundred thirty-four thousand, eight hundred ninety-nine".