131725043 has 4 divisors (see below), whose sum is σ = 138657960. Its totient is φ = 124792128.

The previous prime is 131725007. The next prime is 131725049. The reversal of 131725043 is 340527131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340527131 = 7 ⋅48646733.

It is a cyclic number.

It is not a de Polignac number, because 131725043 - 2⁸ = 131724787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131725049) 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, 3466430 + ... + 3466467.

It is an arithmetic number, because the mean of its divisors is an integer number (34664490).

Almost surely, 2^131725043 is an apocalyptic number.

131725043 is a deficient number, since it is larger than the sum of its proper divisors (6932917).

131725043 is an equidigital number, since it uses as much as digits as its factorization.

131725043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6932916.

The product of its (nonzero) digits is 2520, while the sum is 26.

The square root of 131725043 is about 11477.1530877653. The cubic root of 131725043 is about 508.8105601551.

The spelling of 131725043 in words is "one hundred thirty-one million, seven hundred twenty-five thousand, forty-three".