260323581 has 8 divisors (see below), whose sum is σ = 396683584. Its totient is φ = 148756320.

The previous prime is 260323577. The next prime is 260323589. The reversal of 260323581 is 185323062.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 260323581 - 2² = 260323577 is a prime.

It is a super-2 number, since 2×260323581² = 135536733649327122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260323589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6198160 + ... + 6198201.

It is an arithmetic number, because the mean of its divisors is an integer number (49585448).

Almost surely, 2^260323581 is an apocalyptic number.

260323581 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

260323581 is a deficient number, since it is larger than the sum of its proper divisors (136360003).

260323581 is a wasteful number, since it uses less digits than its factorization.

260323581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12396371.

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 260323581 is about 16134.5461975229. The cubic root of 260323581 is about 638.5150966743.

The spelling of 260323581 in words is "two hundred sixty million, three hundred twenty-three thousand, five hundred eighty-one".