425756287 has 24 divisors (see below), whose sum is σ = 482215248. Its totient is φ = 375864720.

The previous prime is 425756231. The next prime is 425756291. The reversal of 425756287 is 782657524.

It is not a de Polignac number, because 425756287 - 2⁷ = 425756159 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425756207) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2460933 + ... + 2461105.

It is an arithmetic number, because the mean of its divisors is an integer number (20092302).

Almost surely, 2^425756287 is an apocalyptic number.

425756287 is a deficient number, since it is larger than the sum of its proper divisors (56458961).

425756287 is an equidigital number, since it uses as much as digits as its factorization.

425756287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292 (or 227 counting only the distinct ones).

The product of its digits is 940800, while the sum is 46.

The square root of 425756287 is about 20633.8626291831. The cubic root of 425756287 is about 752.2930042899.

The spelling of 425756287 in words is "four hundred twenty-five million, seven hundred fifty-six thousand, two hundred eighty-seven".