561250035 has 24 divisors (see below), whose sum is σ = 973808784. Its totient is φ = 299033280.

The previous prime is 561250033. The next prime is 561250043. The reversal of 561250035 is 530052165.

It is not a de Polignac number, because 561250035 - 2¹ = 561250033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 561249990 and 561250008.

It is not an unprimeable number, because it can be changed into a prime (561250033) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 43480 + ... + 54890.

It is an arithmetic number, because the mean of its divisors is an integer number (40575366).

Almost surely, 2^561250035 is an apocalyptic number.

561250035 is a deficient number, since it is larger than the sum of its proper divisors (412558749).

561250035 is a wasteful number, since it uses less digits than its factorization.

561250035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12515 (or 12512 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 561250035 is about 23690.7162196503. The cubic root of 561250035 is about 824.8699078618.

The spelling of 561250035 in words is "five hundred sixty-one million, two hundred fifty thousand, thirty-five".