425697799 has 4 divisors (see below), whose sum is σ = 450738864. Its totient is φ = 400656736.

The previous prime is 425697791. The next prime is 425697817. The reversal of 425697799 is 997796524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425697799 - 2³ = 425697791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425697791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12520507 + ... + 12520540.

It is an arithmetic number, because the mean of its divisors is an integer number (112684716).

Almost surely, 2^425697799 is an apocalyptic number.

425697799 is a deficient number, since it is larger than the sum of its proper divisors (25041065).

425697799 is a wasteful number, since it uses less digits than its factorization.

425697799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25041064.

The product of its digits is 8573040, while the sum is 58.

The square root of 425697799 is about 20632.4452986068. The cubic root of 425697799 is about 752.2585541208.

The spelling of 425697799 in words is "four hundred twenty-five million, six hundred ninety-seven thousand, seven hundred ninety-nine".