425573339 has 2 divisors, whose sum is σ = 425573340. Its totient is φ = 425573338.

The previous prime is 425573273. The next prime is 425573377. The reversal of 425573339 is 933375524.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425573339 is a prime.

It is a super-2 number, since 2×425573339² = 362225333735217842, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 425573296 and 425573305.

It is not a weakly prime, because it can be changed into another prime (425578339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212786669 + 212786670.

It is an arithmetic number, because the mean of its divisors is an integer number (212786670).

Almost surely, 2^425573339 is an apocalyptic number.

425573339 is a deficient number, since it is larger than the sum of its proper divisors (1).

425573339 is an equidigital number, since it uses as much as digits as its factorization.

425573339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 340200, while the sum is 41.

The square root of 425573339 is about 20629.4289547724. The cubic root of 425573339 is about 752.1852351093.

The spelling of 425573339 in words is "four hundred twenty-five million, five hundred seventy-three thousand, three hundred thirty-nine".