131246573 has 4 divisors (see below), whose sum is σ = 132450780. Its totient is φ = 130042368.

The previous prime is 131246567. The next prime is 131246581. The reversal of 131246573 is 375642131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 56821444 + 74425129 = 7538^2 + 8627^2 .

It is a cyclic number.

It is not a de Polignac number, because 131246573 - 2¹⁴ = 131230189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131246543) 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 in 3 ways as a sum of consecutive naturals, for example, 601940 + ... + 602157.

It is an arithmetic number, because the mean of its divisors is an integer number (33112695).

Almost surely, 2^131246573 is an apocalyptic number.

It is an amenable number.

131246573 is a deficient number, since it is larger than the sum of its proper divisors (1204207).

131246573 is a wasteful number, since it uses less digits than its factorization.

131246573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1204206.

The product of its digits is 15120, while the sum is 32.

The square root of 131246573 is about 11456.2896698713. The cubic root of 131246573 is about 508.1937552701.

The spelling of 131246573 in words is "one hundred thirty-one million, two hundred forty-six thousand, five hundred seventy-three".