425317 has 2 divisors, whose sum is σ = 425318. Its totient is φ = 425316.

The previous prime is 425309. The next prime is 425329. The reversal of 425317 is 713524.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 367236 + 58081 = 606^2 + 241^2 .

It is a cyclic number.

It is not a de Polignac number, because 425317 - 2³ = 425309 is a prime.

It is a Chen prime.

It is an Ulam number.

425317 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212658 + 212659.

It is an arithmetic number, because the mean of its divisors is an integer number (212659).

2⁴²⁵³¹⁷ is an apocalyptic number.

It is an amenable number.

425317 is a deficient number, since it is larger than the sum of its proper divisors (1).

425317 is an equidigital number, since it uses as much as digits as its factorization.

425317 is an evil number, because the sum of its binary digits is even.

The product of its digits is 840, while the sum is 22.

The square root of 425317 is about 652.1633231024. The cubic root of 425317 is about 75.2034181523.

The spelling of 425317 in words is "four hundred twenty-five thousand, three hundred seventeen".