261468572 has 12 divisors (see below), whose sum is σ = 464399880. Its totient is φ = 128782896.

The previous prime is 261468569. The next prime is 261468583. The reversal of 261468572 is 275864162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487547 + ... + 488082.

It is an arithmetic number, because the mean of its divisors is an integer number (38699990).

Almost surely, 2^261468572 is an apocalyptic number.

It is an amenable number.

261468572 is a deficient number, since it is larger than the sum of its proper divisors (202931308).

261468572 is a wasteful number, since it uses less digits than its factorization.

261468572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 975700 (or 975698 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 261468572 is about 16169.9898577581. The cubic root of 261468572 is about 639.4498625294.

The spelling of 261468572 in words is "two hundred sixty-one million, four hundred sixty-eight thousand, five hundred seventy-two".