130515503 has 4 divisors (see below), whose sum is σ = 137384760. Its totient is φ = 123646248.

The previous prime is 130515499. The next prime is 130515509. The reversal of 130515503 is 305515031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305515031 = 37 ⋅8257163.

It is a cyclic number.

It is not a de Polignac number, because 130515503 - 2² = 130515499 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130515509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3434600 + ... + 3434637.

It is an arithmetic number, because the mean of its divisors is an integer number (34346190).

Almost surely, 2^130515503 is an apocalyptic number.

130515503 is a deficient number, since it is larger than the sum of its proper divisors (6869257).

130515503 is an equidigital number, since it uses as much as digits as its factorization.

130515503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6869256.

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

The square root of 130515503 is about 11424.3381865209. The cubic root of 130515503 is about 507.2484171269.

The spelling of 130515503 in words is "one hundred thirty million, five hundred fifteen thousand, five hundred three".