260215231 has 8 divisors (see below), whose sum is σ = 275449680. Its totient is φ = 245398272.

The previous prime is 260215229. The next prime is 260215237. The reversal of 260215231 is 132512062.

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

It is a cyclic number.

It is not a de Polignac number, because 260215231 - 2¹ = 260215229 is a prime.

It is a super-2 number, since 2×260215231² = 135423932888766722, 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 (260215237) 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, 103090 + ... + 105583.

It is an arithmetic number, because the mean of its divisors is an integer number (34431210).

Almost surely, 2^260215231 is an apocalyptic number.

260215231 is a deficient number, since it is larger than the sum of its proper divisors (15234449).

260215231 is a wasteful number, since it uses less digits than its factorization.

260215231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208745.

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 260215231 is about 16131.1881459488. The cubic root of 260215231 is about 638.4264983345.

Adding to 260215231 its reverse (132512062), we get a palindrome (392727293).

The spelling of 260215231 in words is "two hundred sixty million, two hundred fifteen thousand, two hundred thirty-one".