425197 has 2 divisors, whose sum is σ = 425198. Its totient is φ = 425196.

The previous prime is 425189. The next prime is 425207. The reversal of 425197 is 791524.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 352836 + 72361 = 594^2 + 269^2 .

It is a cyclic number.

It is not a de Polignac number, because 425197 - 2³ = 425189 is a prime.

425197 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (425107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212598 + 212599.

It is an arithmetic number, because the mean of its divisors is an integer number (212599).

2⁴²⁵¹⁹⁷ is an apocalyptic number.

It is an amenable number.

425197 is a deficient number, since it is larger than the sum of its proper divisors (1).

425197 is an equidigital number, since it uses as much as digits as its factorization.

425197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2520, while the sum is 28.

The square root of 425197 is about 652.0713151182. The cubic root of 425197 is about 75.1963447937.

The spelling of 425197 in words is "four hundred twenty-five thousand, one hundred ninety-seven".