260772311 has 4 divisors (see below), whose sum is σ = 262213224. Its totient is φ = 259331400.

The previous prime is 260772293. The next prime is 260772313. The reversal of 260772311 is 113277062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 113277062 = 2 ⋅56638531.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-260772311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260772313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720185 + ... + 720546.

It is an arithmetic number, because the mean of its divisors is an integer number (65553306).

Almost surely, 2^260772311 is an apocalyptic number.

260772311 is a deficient number, since it is larger than the sum of its proper divisors (1440913).

260772311 is a wasteful number, since it uses less digits than its factorization.

260772311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440912.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 260772311 is about 16148.4460862338. The cubic root of 260772311 is about 638.8817639410.

The spelling of 260772311 in words is "two hundred sixty million, seven hundred seventy-two thousand, three hundred eleven".