261050734 has 12 divisors (see below), whose sum is σ = 455507064. Its totient is φ = 111878844.

The previous prime is 261050723. The next prime is 261050791. The reversal of 261050734 is 437050162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1331794 + ... + 1331989.

It is an arithmetic number, because the mean of its divisors is an integer number (37958922).

Almost surely, 2^261050734 is an apocalyptic number.

261050734 is a deficient number, since it is larger than the sum of its proper divisors (194456330).

261050734 is a wasteful number, since it uses less digits than its factorization.

261050734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2663799 (or 2663792 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 261050734 is about 16157.0645229881. The cubic root of 261050734 is about 639.1090581499.

The spelling of 261050734 in words is "two hundred sixty-one million, fifty thousand, seven hundred thirty-four".