1503240013 has 8 divisors (see below), whose sum is σ = 1640200320. Its totient is φ = 1366330080.

The previous prime is 1503239999. The next prime is 1503240023. The reversal of 1503240013 is 3100423051.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1503240013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1503240023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78481 + ... + 95737.

It is an arithmetic number, because the mean of its divisors is an integer number (205025040).

Almost surely, 2^1503240013 is an apocalyptic number.

It is an amenable number.

1503240013 is a deficient number, since it is larger than the sum of its proper divisors (136960307).

1503240013 is a wasteful number, since it uses less digits than its factorization.

1503240013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25187.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 1503240013 is about 38771.6392869840. The cubic root of 1503240013 is about 1145.5378474014.

Adding to 1503240013 its reverse (3100423051), we get a palindrome (4603663064).

The spelling of 1503240013 in words is "one billion, five hundred three million, two hundred forty thousand, thirteen".