261482206 has 4 divisors (see below), whose sum is σ = 392223312. Its totient is φ = 130741102.

The previous prime is 261482203. The next prime is 261482261. The reversal of 261482206 is 602284162.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (261482203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65370550 + ... + 65370553.

It is an arithmetic number, because the mean of its divisors is an integer number (98055828).

Almost surely, 2^261482206 is an apocalyptic number.

261482206 is a deficient number, since it is larger than the sum of its proper divisors (130741106).

261482206 is a wasteful number, since it uses less digits than its factorization.

261482206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130741105.

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 261482206 is about 16170.4114357056. The cubic root of 261482206 is about 639.4609768134.

The spelling of 261482206 in words is "two hundred sixty-one million, four hundred eighty-two thousand, two hundred six".