425620339 has 4 divisors (see below), whose sum is σ = 430402680. Its totient is φ = 420838000.

The previous prime is 425620337. The next prime is 425620343. The reversal of 425620339 is 933026524.

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 425620339 - 2¹ = 425620337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425620331) 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, 2391037 + ... + 2391214.

It is an arithmetic number, because the mean of its divisors is an integer number (107600670).

Almost surely, 2^425620339 is an apocalyptic number.

425620339 is a deficient number, since it is larger than the sum of its proper divisors (4782341).

425620339 is an equidigital number, since it uses as much as digits as its factorization.

425620339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4782340.

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 425620339 is about 20630.5680726440. The cubic root of 425620339 is about 752.2129243475.

The spelling of 425620339 in words is "four hundred twenty-five million, six hundred twenty thousand, three hundred thirty-nine".