625025000 has 96 divisors (see below), whose sum is σ = 1529902080. Its totient is φ = 238920000.

The previous prime is 625024993. The next prime is 625025059. The reversal of 625025000 is 520526.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 574457 + ... + 575543.

It is an arithmetic number, because the mean of its divisors is an integer number (15936480).

Almost surely, 2^625025000 is an apocalyptic number.

It is a pronic number, being equal to 25000×25001.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625025000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (764951040).

625025000 is an abundant number, since it is smaller than the sum of its proper divisors (904877080).

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

625025000 is a wasteful number, since it uses less digits than its factorization.

625025000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141 (or 1117 counting only the distinct ones).

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 625025000 is about 25000.4999950001. The cubic root of 625025000 is about 854.9993730260. Note that the first 3 decimals are identical.

Adding to 625025000 its reverse (520526), we get a palindrome (625545526).

It can be divided in two parts, 6250 and 25000, that multiplied together give a square (156250000 = 12500²).

The spelling of 625025000 in words is "six hundred twenty-five million, twenty-five thousand".