425137 has 4 divisors (see below), whose sum is σ = 426816. Its totient is φ = 423460.

The previous prime is 425123. The next prime is 425147. The reversal of 425137 is 731524.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-425137 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (425107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373 + ... + 994.

It is an arithmetic number, because the mean of its divisors is an integer number (106704).

2⁴²⁵¹³⁷ is an apocalyptic number.

It is an amenable number.

425137 is a deficient number, since it is larger than the sum of its proper divisors (1679).

425137 is a wasteful number, since it uses less digits than its factorization.

425137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678.

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

The square root of 425137 is about 652.0253062574. The cubic root of 425137 is about 75.1928076153.

The spelling of 425137 in words is "four hundred twenty-five thousand, one hundred thirty-seven".