561326262 has 48 divisors (see below), whose sum is σ = 1350995760. Its totient is φ = 154846272.

The previous prime is 561326237. The next prime is 561326263. The reversal of 561326262 is 262623165.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561326263) 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, 24393 + ... + 41444.

It is an arithmetic number, because the mean of its divisors is an integer number (28145745).

Almost surely, 2^561326262 is an apocalyptic number.

561326262 is an abundant number, since it is smaller than the sum of its proper divisors (789669498).

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

561326262 is a wasteful number, since it uses less digits than its factorization.

561326262 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65885 (or 65878 counting only the distinct ones).

The product of its digits is 25920, while the sum is 33.

The square root of 561326262 is about 23692.3249597839. The cubic root of 561326262 is about 824.9072498118.

The spelling of 561326262 in words is "five hundred sixty-one million, three hundred twenty-six thousand, two hundred sixty-two".