131052617 has 4 divisors (see below), whose sum is σ = 131248020. Its totient is φ = 130857216.

The previous prime is 131052611. The next prime is 131052673. The reversal of 131052617 is 716250131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 716250131 = 967 ⋅740693.

It can be written as a sum of positive squares in 2 ways, for example, as 29365561 + 101687056 = 5419^2 + 10084^2 .

It is a cyclic number.

It is not a de Polignac number, because 131052617 - 2¹⁰ = 131051593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131052611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96692 + ... + 98037.

It is an arithmetic number, because the mean of its divisors is an integer number (32812005).

Almost surely, 2^131052617 is an apocalyptic number.

It is an amenable number.

131052617 is a deficient number, since it is larger than the sum of its proper divisors (195403).

131052617 is an equidigital number, since it uses as much as digits as its factorization.

131052617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195402.

The product of its (nonzero) digits is 1260, while the sum is 26.

The square root of 131052617 is about 11447.8214958131. The cubic root of 131052617 is about 507.9432958491.

The spelling of 131052617 in words is "one hundred thirty-one million, fifty-two thousand, six hundred seventeen".