260030291 has 4 divisors (see below), whose sum is σ = 262416000. Its totient is φ = 257644584.

The previous prime is 260030279. The next prime is 260030293. The reversal of 260030291 is 192030062.

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-260030291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260030293) 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, 1192691 + ... + 1192908.

It is an arithmetic number, because the mean of its divisors is an integer number (65604000).

Almost surely, 2^260030291 is an apocalyptic number.

260030291 is a deficient number, since it is larger than the sum of its proper divisors (2385709).

260030291 is a wasteful number, since it uses less digits than its factorization.

260030291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385708.

The product of its (nonzero) digits is 648, while the sum is 23.

The square root of 260030291 is about 16125.4547532775. The cubic root of 260030291 is about 638.2752151335.

The spelling of 260030291 in words is "two hundred sixty million, thirty thousand, two hundred ninety-one".