130501553 has 40 divisors (see below), whose sum is σ = 169875048. Its totient is φ = 99574272.

The previous prime is 130501541. The next prime is 130501559. The reversal of 130501553 is 355105031.

It can be written as a sum of positive squares in 4 ways, for example, as 1270129 + 129231424 = 1127^2 + 11368^2 .

It is not a de Polignac number, because 130501553 - 2²² = 126307249 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (130501559) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1154825 + ... + 1154937.

Almost surely, 2^130501553 is an apocalyptic number.

130501553 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

130501553 is a deficient number, since it is larger than the sum of its proper divisors (39373495).

130501553 is an equidigital number, since it uses as much as digits as its factorization.

130501553 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 1125, while the sum is 23.

The square root of 130501553 is about 11423.7276315570. The cubic root of 130501553 is about 507.2303442610.

Adding to 130501553 its reverse (355105031), we get a palindrome (485606584).

The spelling of 130501553 in words is "one hundred thirty million, five hundred one thousand, five hundred fifty-three".