261310675 has 12 divisors (see below), whose sum is σ = 327668760. Its totient is φ = 206697920.

The previous prime is 261310669. The next prime is 261310703. The reversal of 261310675 is 576013162.

It is not a de Polignac number, because 261310675 - 2⁹ = 261310163 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56497 + ... + 60946.

It is an arithmetic number, because the mean of its divisors is an integer number (27305730).

Almost surely, 2^261310675 is an apocalyptic number.

261310675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

261310675 is a deficient number, since it is larger than the sum of its proper divisors (66358085).

261310675 is a wasteful number, since it uses less digits than its factorization.

261310675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117542 (or 117537 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 261310675 is about 16165.1067116799. The cubic root of 261310675 is about 639.3211185084.

The spelling of 261310675 in words is "two hundred sixty-one million, three hundred ten thousand, six hundred seventy-five".