425692285 has 4 divisors (see below), whose sum is σ = 510830748. Its totient is φ = 340553824.

The previous prime is 425692249. The next prime is 425692307. The reversal of 425692285 is 582296524.

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

It can be written as a sum of positive squares in 2 ways, for example, as 319622884 + 106069401 = 17878^2 + 10299^2 .

It is a cyclic number.

It is not a de Polignac number, because 425692285 - 2¹⁵ = 425659517 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42569224 + ... + 42569233.

It is an arithmetic number, because the mean of its divisors is an integer number (127707687).

Almost surely, 2^425692285 is an apocalyptic number.

It is an amenable number.

425692285 is a deficient number, since it is larger than the sum of its proper divisors (85138463).

425692285 is an equidigital number, since it uses as much as digits as its factorization.

425692285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85138462.

The product of its digits is 345600, while the sum is 43.

The square root of 425692285 is about 20632.3116736831. The cubic root of 425692285 is about 752.2553061426.

The spelling of 425692285 in words is "four hundred twenty-five million, six hundred ninety-two thousand, two hundred eighty-five".