261362343 has 8 divisors (see below), whose sum is σ = 380163456. Its totient is φ = 158401400.

The previous prime is 261362341. The next prime is 261362383. The reversal of 261362343 is 343263162.

261362343 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 261362343 - 2¹ = 261362341 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 261362343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261362341) 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, 3960003 + ... + 3960068.

It is an arithmetic number, because the mean of its divisors is an integer number (47520432).

Almost surely, 2^261362343 is an apocalyptic number.

261362343 is a deficient number, since it is larger than the sum of its proper divisors (118801113).

261362343 is a wasteful number, since it uses less digits than its factorization.

261362343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920085.

The product of its digits is 15552, while the sum is 30.

The square root of 261362343 is about 16166.7047662781. The cubic root of 261362343 is about 639.3632526037.

The spelling of 261362343 in words is "two hundred sixty-one million, three hundred sixty-two thousand, three hundred forty-three".