425877 has 4 divisors (see below), whose sum is σ = 567840. Its totient is φ = 283916.

The previous prime is 425869. The next prime is 425879. The reversal of 425877 is 778524.

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 not a de Polignac number, because 425877 - 2³ = 425869 is a prime.

It is a D-number.

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 425877.

It is not an unprimeable number, because it can be changed into a prime (425879) 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 in 3 ways as a sum of consecutive naturals, for example, 70977 + ... + 70982.

It is an arithmetic number, because the mean of its divisors is an integer number (141960).

2⁴²⁵⁸⁷⁷ is an apocalyptic number.

It is an amenable number.

425877 is a deficient number, since it is larger than the sum of its proper divisors (141963).

425877 is a wasteful number, since it uses less digits than its factorization.

425877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141962.

The product of its digits is 15680, while the sum is 33.

The square root of 425877 is about 652.5925221760. The cubic root of 425877 is about 75.2364095794.

The spelling of 425877 in words is "four hundred twenty-five thousand, eight hundred seventy-seven".