260542263 has 4 divisors (see below), whose sum is σ = 347389688. Its totient is φ = 173694840.

The previous prime is 260542253. The next prime is 260542277. The reversal of 260542263 is 362245062.

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

It is not a de Polignac number, because 260542263 - 2⁹ = 260541751 is a prime.

It is a super-2 number, since 2×260542263² = 135764541618322338, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 260542263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (260542213) 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, 43423708 + ... + 43423713.

It is an arithmetic number, because the mean of its divisors is an integer number (86847422).

Almost surely, 2^260542263 is an apocalyptic number.

260542263 is a deficient number, since it is larger than the sum of its proper divisors (86847425).

260542263 is an equidigital number, since it uses as much as digits as its factorization.

260542263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86847424.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 260542263 is about 16141.3216001664. The cubic root of 260542263 is about 638.6938391933.

The spelling of 260542263 in words is "two hundred sixty million, five hundred forty-two thousand, two hundred sixty-three".