131040425 has 6 divisors (see below), whose sum is σ = 162490158. Its totient is φ = 104832320.

The previous prime is 131040389. The next prime is 131040457. The reversal of 131040425 is 524040131.

It can be written as a sum of positive squares in 3 ways, for example, as 5331481 + 125708944 = 2309^2 + 11212^2 .

It is not a de Polignac number, because 131040425 - 2¹⁸ = 130778281 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131040397 and 131040406.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2620784 + ... + 2620833.

It is an arithmetic number, because the mean of its divisors is an integer number (27081693).

Almost surely, 2^131040425 is an apocalyptic number.

It is an amenable number.

131040425 is a deficient number, since it is larger than the sum of its proper divisors (31449733).

131040425 is an equidigital number, since it uses as much as digits as its factorization.

131040425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241627 (or 5241622 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 131040425 is about 11447.2889803656. The cubic root of 131040425 is about 507.9275438128.

Adding to 131040425 its reverse (524040131), we get a palindrome (655080556).

The spelling of 131040425 in words is "one hundred thirty-one million, forty thousand, four hundred twenty-five".