261713132 has 6 divisors (see below), whose sum is σ = 457997988. Its totient is φ = 130856564.

The previous prime is 261713131. The next prime is 261713161. The reversal of 261713132 is 231317162.

It is a super-2 number, since 2×261713132² = 136987526922498848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (261713131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32714138 + ... + 32714145.

It is an arithmetic number, because the mean of its divisors is an integer number (76332998).

Almost surely, 2^261713132 is an apocalyptic number.

It is an amenable number.

261713132 is a deficient number, since it is larger than the sum of its proper divisors (196284856).

261713132 is a wasteful number, since it uses less digits than its factorization.

261713132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65428287 (or 65428285 counting only the distinct ones).

The product of its digits is 1512, while the sum is 26.

The square root of 261713132 is about 16177.5502471790. The cubic root of 261713132 is about 639.6491664401.

The spelling of 261713132 in words is "two hundred sixty-one million, seven hundred thirteen thousand, one hundred thirty-two".