260357231 has 4 divisors (see below), whose sum is σ = 260833752. Its totient is φ = 259880712.

The previous prime is 260357221. The next prime is 260357233. The reversal of 260357231 is 132753062.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260357231 is a prime.

It is a super-2 number, since 2×260357231² = 135571775467974722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 260357194 and 260357203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260357233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 237440 + ... + 238533.

It is an arithmetic number, because the mean of its divisors is an integer number (65208438).

Almost surely, 2^260357231 is an apocalyptic number.

260357231 is a deficient number, since it is larger than the sum of its proper divisors (476521).

260357231 is an equidigital number, since it uses as much as digits as its factorization.

260357231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476520.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 260357231 is about 16135.5889573328. The cubic root of 260357231 is about 638.5426074453.

The spelling of 260357231 in words is "two hundred sixty million, three hundred fifty-seven thousand, two hundred thirty-one".