131060609 has 2 divisors, whose sum is σ = 131060610. Its totient is φ = 131060608.

The previous prime is 131060597. The next prime is 131060621. The reversal of 131060609 is 906060131.

It is a balanced prime because it is at equal distance from previous prime (131060597) and next prime (131060621).

It can be written as a sum of positive squares in only one way, i.e., 130530625 + 529984 = 11425^2 + 728^2 .

It is a cyclic number.

It is not a de Polignac number, because 131060609 - 2²⁰ = 130012033 is a prime.

It is not a weakly prime, because it can be changed into another prime (131060659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65530304 + 65530305.

It is an arithmetic number, because the mean of its divisors is an integer number (65530305).

Almost surely, 2^131060609 is an apocalyptic number.

It is an amenable number.

131060609 is a deficient number, since it is larger than the sum of its proper divisors (1).

131060609 is an equidigital number, since it uses as much as digits as its factorization.

131060609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 131060609 is about 11448.1705525381. The cubic root of 131060609 is about 507.9536209648.

The spelling of 131060609 in words is "one hundred thirty-one million, sixty thousand, six hundred nine".