625432836 has 96 divisors (see below), whose sum is σ = 1754726400. Its totient is φ = 169513344.

The previous prime is 625432831. The next prime is 625432849. The reversal of 625432836 is 638234526.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 625432794 and 625432803.

It is not an unprimeable number, because it can be changed into a prime (625432831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 244090 + ... + 246638.

It is an arithmetic number, because the mean of its divisors is an integer number (18278400).

Almost surely, 2^625432836 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 625432836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (877363200).

625432836 is an abundant number, since it is smaller than the sum of its proper divisors (1129293564).

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

625432836 is a wasteful number, since it uses less digits than its factorization.

625432836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2713 (or 2711 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 625432836 is about 25008.6552217427. The cubic root of 625432836 is about 855.1852982334.

The spelling of 625432836 in words is "six hundred twenty-five million, four hundred thirty-two thousand, eight hundred thirty-six".