425858287 has 4 divisors (see below), whose sum is σ = 425915200. Its totient is φ = 425801376.

The previous prime is 425858273. The next prime is 425858291. The reversal of 425858287 is 782858524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 425858287 - 2⁷ = 425858159 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 425858287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425858387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15162 + ... + 32887.

It is an arithmetic number, because the mean of its divisors is an integer number (106478800).

Almost surely, 2^425858287 is an apocalyptic number.

425858287 is a deficient number, since it is larger than the sum of its proper divisors (56913).

425858287 is an equidigital number, since it uses as much as digits as its factorization.

425858287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56912.

The product of its digits is 1433600, while the sum is 49.

The square root of 425858287 is about 20636.3341463546. The cubic root of 425858287 is about 752.3530760272.

The spelling of 425858287 in words is "four hundred twenty-five million, eight hundred fifty-eight thousand, two hundred eighty-seven".