261050673 has 8 divisors (see below), whose sum is σ = 374842048. Its totient is φ = 160646544.

The previous prime is 261050653. The next prime is 261050683. The reversal of 261050673 is 376050162.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 261050673 - 2⁵ = 261050641 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 261050673.

It is not an unprimeable number, because it can be changed into a prime (261050653) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3346765 + ... + 3346842.

It is an arithmetic number, because the mean of its divisors is an integer number (46855256).

Almost surely, 2^261050673 is an apocalyptic number.

It is an amenable number.

261050673 is a deficient number, since it is larger than the sum of its proper divisors (113791375).

261050673 is a wasteful number, since it uses less digits than its factorization.

261050673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6693623.

The product of its (nonzero) digits is 7560, while the sum is 30.

The square root of 261050673 is about 16157.0626352688. The cubic root of 261050673 is about 639.1090083695.

The spelling of 261050673 in words is "two hundred sixty-one million, fifty thousand, six hundred seventy-three".