261055832 has 16 divisors (see below), whose sum is σ = 492599760. Its totient is φ = 129695904.

The previous prime is 261055807. The next prime is 261055841. The reversal of 261055832 is 238550162.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 102668 + ... + 105179.

It is an arithmetic number, because the mean of its divisors is an integer number (30787485).

Almost surely, 2^261055832 is an apocalyptic number.

It is an amenable number.

261055832 is a deficient number, since it is larger than the sum of its proper divisors (231543928).

261055832 is a wasteful number, since it uses less digits than its factorization.

261055832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208010 (or 208006 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 261055832 is about 16157.2222860243. Note that the first 4 decimals coincide. The cubic root of 261055832 is about 639.1132184610.

The spelling of 261055832 in words is "two hundred sixty-one million, fifty-five thousand, eight hundred thirty-two".