425982317 has 2 divisors, whose sum is σ = 425982318. Its totient is φ = 425982316.

The previous prime is 425982289. The next prime is 425982343. The reversal of 425982317 is 713289524.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 386279716 + 39702601 = 19654^2 + 6301^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425982317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425972317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212991158 + 212991159.

It is an arithmetic number, because the mean of its divisors is an integer number (212991159).

Almost surely, 2^425982317 is an apocalyptic number.

It is an amenable number.

425982317 is a deficient number, since it is larger than the sum of its proper divisors (1).

425982317 is an equidigital number, since it uses as much as digits as its factorization.

425982317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 41.

The square root of 425982317 is about 20639.3390640301. The cubic root of 425982317 is about 752.4261091598.

The spelling of 425982317 in words is "four hundred twenty-five million, nine hundred eighty-two thousand, three hundred seventeen".