261045334 has 8 divisors (see below), whose sum is σ = 427165128. Its totient is φ = 118656960.

The previous prime is 261045329. The next prime is 261045341. The reversal of 261045334 is 433540162.

261045334 is digitally balanced in base 3, 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 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 3 ways as a sum of consecutive naturals, for example, 5932827 + ... + 5932870.

It is an arithmetic number, because the mean of its divisors is an integer number (53395641).

Almost surely, 2^261045334 is an apocalyptic number.

261045334 is a deficient number, since it is larger than the sum of its proper divisors (166119794).

261045334 is a wasteful number, since it uses less digits than its factorization.

261045334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11865710.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 261045334 is about 16156.8974125604. The cubic root of 261045334 is about 639.1046513275.

Adding to 261045334 its reverse (433540162), we get a palindrome (694585496).

The spelling of 261045334 in words is "two hundred sixty-one million, forty-five thousand, three hundred thirty-four".