261464854 has 32 divisors (see below), whose sum is σ = 468458496. Its totient is φ = 107110080.

The previous prime is 261464837. The next prime is 261464893. The reversal of 261464854 is 458464162.

261464854 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23674 + ... + 32914.

It is an arithmetic number, because the mean of its divisors is an integer number (14639328).

Almost surely, 2^261464854 is an apocalyptic number.

261464854 is a deficient number, since it is larger than the sum of its proper divisors (206993642).

261464854 is a wasteful number, since it uses less digits than its factorization.

261464854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9340.

The product of its digits is 184320, while the sum is 40.

The square root of 261464854 is about 16169.8748912909. The cubic root of 261464854 is about 639.4468315904.

The spelling of 261464854 in words is "two hundred sixty-one million, four hundred sixty-four thousand, eight hundred fifty-four".