425561506 has 32 divisors (see below), whose sum is σ = 684288000. Its totient is φ = 197914752.

The previous prime is 425561483. The next prime is 425561519. The reversal of 425561506 is 605165524.

It is a super-2 number, since 2×425561506² = 362205190777976072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 525630 + ... + 526438.

It is an arithmetic number, because the mean of its divisors is an integer number (21384000).

Almost surely, 2^425561506 is an apocalyptic number.

425561506 is a deficient number, since it is larger than the sum of its proper divisors (258726494).

425561506 is a wasteful number, since it uses less digits than its factorization.

425561506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066.

The product of its (nonzero) digits is 36000, while the sum is 34.

The square root of 425561506 is about 20629.1421537591. The cubic root of 425561506 is about 752.1782635804.

The spelling of 425561506 in words is "four hundred twenty-five million, five hundred sixty-one thousand, five hundred six".