425561536 has 14 divisors (see below), whose sum is σ = 844473800. Its totient is φ = 212780736.

The previous prime is 425561519. The next prime is 425561537. The reversal of 425561536 is 635165524.

It is a super-2 number, since 2×425561536² = 362205241845358592, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 425561495 and 425561504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425561537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3324636 + ... + 3324763.

Almost surely, 2^425561536 is an apocalyptic number.

It is an amenable number.

425561536 is a deficient number, since it is larger than the sum of its proper divisors (418912264).

425561536 is an equidigital number, since it uses as much as digits as its factorization.

425561536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6649411 (or 6649401 counting only the distinct ones).

The product of its digits is 108000, while the sum is 37.

The square root of 425561536 is about 20629.1428808858. The cubic root of 425561536 is about 752.1782812554.

The spelling of 425561536 in words is "four hundred twenty-five million, five hundred sixty-one thousand, five hundred thirty-six".