130503553 has 2 divisors, whose sum is σ = 130503554. Its totient is φ = 130503552.

The previous prime is 130503539. The next prime is 130503557. The reversal of 130503553 is 355305031.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 96491329 + 34012224 = 9823^2 + 5832^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-130503553 is a prime.

It is not a weakly prime, because it can be changed into another prime (130503557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65251776 + 65251777.

It is an arithmetic number, because the mean of its divisors is an integer number (65251777).

Almost surely, 2^130503553 is an apocalyptic number.

It is an amenable number.

130503553 is a deficient number, since it is larger than the sum of its proper divisors (1).

130503553 is an equidigital number, since it uses as much as digits as its factorization.

130503553 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3375, while the sum is 25.

The square root of 130503553 is about 11423.8151683227. The cubic root of 130503553 is about 507.2329354320.

Adding to 130503553 its reverse (355305031), we get a palindrome (485808584).

The spelling of 130503553 in words is "one hundred thirty million, five hundred three thousand, five hundred fifty-three".