261096324 has 12 divisors (see below), whose sum is σ = 609224784. Its totient is φ = 87032104.

The previous prime is 261096289. The next prime is 261096359. The reversal of 261096324 is 423690162.

It is an interprime number because it is at equal distance from previous prime (261096289) and next prime (261096359).

It is a tau number, because it is divible by the number of its divisors (12).

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, 10879002 + ... + 10879025.

It is an arithmetic number, because the mean of its divisors is an integer number (50768732).

Almost surely, 2^261096324 is an apocalyptic number.

It is an amenable number.

261096324 is an abundant number, since it is smaller than the sum of its proper divisors (348128460).

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

261096324 is a wasteful number, since it uses less digits than its factorization.

261096324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21758034 (or 21758032 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 261096324 is about 16158.4752993592. The cubic root of 261096324 is about 639.1462607344.

The spelling of 261096324 in words is "two hundred sixty-one million, ninety-six thousand, three hundred twenty-four".