261460043 has 16 divisors (see below), whose sum is σ = 286868736. Its totient is φ = 236848800.

The previous prime is 261460039. The next prime is 261460097. The reversal of 261460043 is 340064162.

261460043 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 261460043 - 2² = 261460039 is a prime.

It is a super-2 number, since 2×261460043² = 136722708171123698, 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 = 261459994 and 261460021.

It is not an unprimeable number, because it can be changed into a prime (261460033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 179468 + ... + 180918.

It is an arithmetic number, because the mean of its divisors is an integer number (17929296).

Almost surely, 2^261460043 is an apocalyptic number.

261460043 is a deficient number, since it is larger than the sum of its proper divisors (25408693).

261460043 is a wasteful number, since it uses less digits than its factorization.

261460043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1714.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 261460043 is about 16169.7261263140. The cubic root of 261460043 is about 639.4429095877.

The spelling of 261460043 in words is "two hundred sixty-one million, four hundred sixty thousand, forty-three".