260023531 has 8 divisors (see below), whose sum is σ = 281107280. Its totient is φ = 239679648.

The previous prime is 260023507. The next prime is 260023597. The reversal of 260023531 is 135320062.

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 260023531 - 2⁵ = 260023499 is a prime.

It is a super-2 number, since 2×260023531² = 135224473347415922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (260023331) 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, 184236 + ... + 185641.

It is an arithmetic number, because the mean of its divisors is an integer number (35138410).

Almost surely, 2^260023531 is an apocalyptic number.

260023531 is a deficient number, since it is larger than the sum of its proper divisors (21083749).

260023531 is a wasteful number, since it uses less digits than its factorization.

260023531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 369933.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 260023531 is about 16125.2451454234. The cubic root of 260023531 is about 638.2696840114.

Adding to 260023531 its reverse (135320062), we get a palindrome (395343593).

The spelling of 260023531 in words is "two hundred sixty million, twenty-three thousand, five hundred thirty-one".