260472731 has 4 divisors (see below), whose sum is σ = 266014752. Its totient is φ = 254930712.

The previous prime is 260472721. The next prime is 260472743. The reversal of 260472731 is 137274062.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 137274062 = 2 ⋅68637031.

It is a cyclic number.

It is not a de Polignac number, because 260472731 - 2²⁶ = 193363867 is a prime.

It is a super-2 number, since 2×260472731² = 135692087189196722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (260472701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2770940 + ... + 2771033.

It is an arithmetic number, because the mean of its divisors is an integer number (66503688).

Almost surely, 2^260472731 is an apocalyptic number.

260472731 is a deficient number, since it is larger than the sum of its proper divisors (5542021).

260472731 is an equidigital number, since it uses as much as digits as its factorization.

260472731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5542020.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 260472731 is about 16139.1676055489. The cubic root of 260472731 is about 638.6370171757.

The spelling of 260472731 in words is "two hundred sixty million, four hundred seventy-two thousand, seven hundred thirty-one".