425646361 has 16 divisors (see below), whose sum is σ = 490218624. Its totient is φ = 362029824.

The previous prime is 425646359. The next prime is 425646401. The reversal of 425646361 is 163646524.

It is a cyclic number.

It is not a de Polignac number, because 425646361 - 2¹ = 425646359 is a prime.

It is a super-3 number, since 3×425646361³ (a number of 27 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425646361.

It is not an unprimeable number, because it can be changed into a prime (425646061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 960606 + ... + 961048.

It is an arithmetic number, because the mean of its divisors is an integer number (30638664).

Almost surely, 2^425646361 is an apocalyptic number.

It is an amenable number.

425646361 is a deficient number, since it is larger than the sum of its proper divisors (64572263).

425646361 is a wasteful number, since it uses less digits than its factorization.

425646361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200.

The product of its digits is 103680, while the sum is 37.

The square root of 425646361 is about 20631.1987291093. The cubic root of 425646361 is about 752.2282538826.

It can be divided in two parts, 4256463 and 61, that added together give a palindrome (4256524).

The spelling of 425646361 in words is "four hundred twenty-five million, six hundred forty-six thousand, three hundred sixty-one".