625522000 has 160 divisors (see below), whose sum is σ = 1587755520. Its totient is φ = 238118400.

The previous prime is 625521997. The next prime is 625522003. The reversal of 625522000 is 225526.

It is an interprime number because it is at equal distance from previous prime (625521997) and next prime (625522003).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625522003) 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, 5845947 + ... + 5846053.

It is an arithmetic number, because the mean of its divisors is an integer number (9923472).

Almost surely, 2^625522000 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 625522000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (793877760).

625522000 is an abundant number, since it is smaller than the sum of its proper divisors (962233520).

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

625522000 is a wasteful number, since it uses less digits than its factorization.

625522000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 625522000 is about 25010.4378210378. The cubic root of 625522000 is about 855.2259357537.

Adding to 625522000 its reverse (225526), we get a palindrome (625747526).

The spelling of 625522000 in words is "six hundred twenty-five million, five hundred twenty-two thousand".