425870286 has 16 divisors (see below), whose sum is σ = 854753664. Its totient is φ = 141454584.

The previous prime is 425870279. The next prime is 425870287. The reversal of 425870286 is 682078524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425870287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 123706 + ... + 127101.

It is an arithmetic number, because the mean of its divisors is an integer number (53422104).

Almost surely, 2^425870286 is an apocalyptic number.

425870286 is an abundant number, since it is smaller than the sum of its proper divisors (428883378).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

425870286 is a wasteful number, since it uses less digits than its factorization.

425870286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251095.

The product of its (nonzero) digits is 215040, while the sum is 42.

The square root of 425870286 is about 20636.6248693918. The cubic root of 425870286 is about 752.3601420708.

The spelling of 425870286 in words is "four hundred twenty-five million, eight hundred seventy thousand, two hundred eighty-six".