131037553 has 2 divisors, whose sum is σ = 131037554. Its totient is φ = 131037552.

The previous prime is 131037539. The next prime is 131037559. The reversal of 131037553 is 355730131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 87385104 + 43652449 = 9348^2 + 6607^2 .

It is an emirp because it is prime and its reverse (355730131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131037553 - 2⁵ = 131037521 is a prime.

It is not a weakly prime, because it can be changed into another prime (131037559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65518776 + 65518777.

It is an arithmetic number, because the mean of its divisors is an integer number (65518777).

Almost surely, 2^131037553 is an apocalyptic number.

It is an amenable number.

131037553 is a deficient number, since it is larger than the sum of its proper divisors (1).

131037553 is an equidigital number, since it uses as much as digits as its factorization.

131037553 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 131037553 is about 11447.1635351296. The cubic root of 131037553 is about 507.9238330532.

Adding to 131037553 its reverse (355730131), we get a palindrome (486767684).

The spelling of 131037553 in words is "one hundred thirty-one million, thirty-seven thousand, five hundred fifty-three".