261203276 has 12 divisors (see below), whose sum is σ = 469460208. Its totient is φ = 127071792.

The previous prime is 261203263. The next prime is 261203291. The reversal of 261203276 is 672302162.

261203276 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 882296 + ... + 882591.

It is an arithmetic number, because the mean of its divisors is an integer number (39121684).

Almost surely, 2^261203276 is an apocalyptic number.

It is an amenable number.

261203276 is a deficient number, since it is larger than the sum of its proper divisors (208256932).

261203276 is a wasteful number, since it uses less digits than its factorization.

261203276 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1764928 (or 1764926 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 261203276 is about 16161.7844311821. The cubic root of 261203276 is about 639.2335192580.

The spelling of 261203276 in words is "two hundred sixty-one million, two hundred three thousand, two hundred seventy-six".