131035573 has 2 divisors, whose sum is σ = 131035574. Its totient is φ = 131035572.

The previous prime is 131035559. The next prime is 131035589. The reversal of 131035573 is 375530131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131033809 + 1764 = 11447^2 + 42^2 .

It is a cyclic number.

It is not a de Polignac number, because 131035573 - 2²⁵ = 97481141 is a prime.

It is equal to p_7433614 and since 131035573 and 7433614 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131075573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65517786 + 65517787.

It is an arithmetic number, because the mean of its divisors is an integer number (65517787).

Almost surely, 2^131035573 is an apocalyptic number.

It is an amenable number.

131035573 is a deficient number, since it is larger than the sum of its proper divisors (1).

131035573 is an equidigital number, since it uses as much as digits as its factorization.

131035573 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4725, while the sum is 28.

The square root of 131035573 is about 11447.0770504963. The cubic root of 131035573 is about 507.9212747681.

The spelling of 131035573 in words is "one hundred thirty-one million, thirty-five thousand, five hundred seventy-three".