425628079 has 4 divisors (see below), whose sum is σ = 428446960. Its totient is φ = 422809200.

The previous prime is 425628043. The next prime is 425628083. The reversal of 425628079 is 970826524.

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 425628079 - 2⁹ = 425627567 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 (425628479) 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 in 3 ways as a sum of consecutive naturals, for example, 1409214 + ... + 1409515.

It is an arithmetic number, because the mean of its divisors is an integer number (107111740).

Almost surely, 2^425628079 is an apocalyptic number.

425628079 is a deficient number, since it is larger than the sum of its proper divisors (2818881).

425628079 is a wasteful number, since it uses less digits than its factorization.

425628079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818880.

The product of its (nonzero) digits is 241920, while the sum is 43.

The square root of 425628079 is about 20630.7556575129. The cubic root of 425628079 is about 752.2174840393.

The spelling of 425628079 in words is "four hundred twenty-five million, six hundred twenty-eight thousand, seventy-nine".