561250752 has 112 divisors (see below), whose sum is σ = 1523524512. Its totient is φ = 182292480.

The previous prime is 561250751. The next prime is 561250757. The reversal of 561250752 is 257052165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561250751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2026038 + ... + 2026314.

Almost surely, 2^561250752 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 561250752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (761762256).

561250752 is an abundant number, since it is smaller than the sum of its proper divisors (962273760).

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

561250752 is a wasteful number, since it uses less digits than its factorization.

561250752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526 (or 516 counting only the distinct ones).

The product of its (nonzero) digits is 21000, while the sum is 33.

The square root of 561250752 is about 23690.7313521554. The cubic root of 561250752 is about 824.8702591203.

The spelling of 561250752 in words is "five hundred sixty-one million, two hundred fifty thousand, seven hundred fifty-two".