652565256 has 128 divisors (see below), whose sum is σ = 1924715520. Its totient is φ = 180520704.

The previous prime is 652565239. The next prime is 652565257.

652565256 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an alternating number because its digits alternate between even and odd.

It is not an unprimeable number, because it can be changed into a prime (652565257) 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, 738591 + ... + 739473.

It is an arithmetic number, because the mean of its divisors is an integer number (15036840).

Almost surely, 2^652565256 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 652565256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (962357760).

652565256 is an abundant number, since it is smaller than the sum of its proper divisors (1272150264).

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

652565256 is a wasteful number, since it uses less digits than its factorization.

652565256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035 (or 1031 counting only the distinct ones).

The product of its digits is 540000, while the sum is 42.

The square root of 652565256 is about 25545.3568383767. The cubic root of 652565256 is about 867.3771608353.

The spelling of 652565256 in words is "six hundred fifty-two million, five hundred sixty-five thousand, two hundred fifty-six".