425610856 has 32 divisors (see below), whose sum is σ = 875810880. Its totient is φ = 192294400.

The previous prime is 425610853. The next prime is 425610859. The reversal of 425610856 is 658016524.

It is an interprime number because it is at equal distance from previous prime (425610853) and next prime (425610859).

It is a super-2 number, since 2×425610856² = 362289201490105472, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (425610851) 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, 216 + ... + 29176.

It is an arithmetic number, because the mean of its divisors is an integer number (27369090).

Almost surely, 2^425610856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 425610856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437905440).

425610856 is an abundant number, since it is smaller than the sum of its proper divisors (450200024).

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

425610856 is a wasteful number, since it uses less digits than its factorization.

425610856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29145 (or 29141 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 425610856 is about 20630.3382425010. The cubic root of 425610856 is about 752.2073377660.

The spelling of 425610856 in words is "four hundred twenty-five million, six hundred ten thousand, eight hundred fifty-six".