425837 has 2 divisors, whose sum is σ = 425838. Its totient is φ = 425836.

The previous prime is 425819. The next prime is 425839. The reversal of 425837 is 738524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 376996 + 48841 = 614^2 + 221^2 .

It is a cyclic number.

It is not a de Polignac number, because 425837 - 2¹² = 421741 is a prime.

Together with 425839, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 425837.

It is not a weakly prime, because it can be changed into another prime (425839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212918 + 212919.

It is an arithmetic number, because the mean of its divisors is an integer number (212919).

2⁴²⁵⁸³⁷ is an apocalyptic number.

It is an amenable number.

425837 is a deficient number, since it is larger than the sum of its proper divisors (1).

425837 is an equidigital number, since it uses as much as digits as its factorization.

425837 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6720, while the sum is 29.

The square root of 425837 is about 652.5618744610. The cubic root of 425837 is about 75.2340540083.

The spelling of 425837 in words is "four hundred twenty-five thousand, eight hundred thirty-seven".