425806526 has 8 divisors (see below), whose sum is σ = 645294720. Its totient is φ = 210708288.

The previous prime is 425806523. The next prime is 425806541. The reversal of 425806526 is 625608524.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×425806526² = 362622395168377352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425806526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425806523) 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, 1097246 + ... + 1097633.

It is an arithmetic number, because the mean of its divisors is an integer number (80661840).

Almost surely, 2^425806526 is an apocalyptic number.

425806526 is a deficient number, since it is larger than the sum of its proper divisors (219488194).

425806526 is a wasteful number, since it uses less digits than its factorization.

425806526 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2194978.

The product of its (nonzero) digits is 115200, while the sum is 38.

The square root of 425806526 is about 20635.0799853066. The cubic root of 425806526 is about 752.3225931751.

The spelling of 425806526 in words is "four hundred twenty-five million, eight hundred six thousand, five hundred twenty-six".