425543536 has 40 divisors (see below), whose sum is σ = 907446384. Its totient is φ = 191708160.

The previous prime is 425543527. The next prime is 425543557. The reversal of 425543536 is 635345524.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 425543495 and 425543504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9190 + ... + 30586.

Almost surely, 2^425543536 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 425543536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (453723192).

425543536 is an abundant number, since it is smaller than the sum of its proper divisors (481902848).

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

425543536 is a wasteful number, since it uses less digits than its factorization.

425543536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21529 (or 21523 counting only the distinct ones).

The product of its digits is 216000, while the sum is 37.

The square root of 425543536 is about 20628.7066002694. The cubic root of 425543536 is about 752.1676761303.

The spelling of 425543536 in words is "four hundred twenty-five million, five hundred forty-three thousand, five hundred thirty-six".