271642261 has 8 divisors (see below), whose sum is σ = 303565248. Its totient is φ = 240924000.

The previous prime is 271642253. The next prime is 271642277. The reversal of 271642261 is 162246172.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 271642261 - 2³ = 271642253 is a prime.

It is a super-2 number, since 2×271642261² = 147579035922384242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (271642561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 300705 + ... + 301606.

It is an arithmetic number, because the mean of its divisors is an integer number (37945656).

Almost surely, 2^271642261 is an apocalyptic number.

It is an amenable number.

271642261 is a deficient number, since it is larger than the sum of its proper divisors (31922987).

271642261 is a wasteful number, since it uses less digits than its factorization.

271642261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 602363.

The product of its digits is 8064, while the sum is 31.

The square root of 271642261 is about 16481.5733775632. The cubic root of 271642261 is about 647.6381828188.

The spelling of 271642261 in words is "two hundred seventy-one million, six hundred forty-two thousand, two hundred sixty-one".