380013503 has 4 divisors (see below), whose sum is σ = 381251640. Its totient is φ = 378775368.

The previous prime is 380013493. The next prime is 380013539. The reversal of 380013503 is 305310083.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 305310083 = 13 ⋅23485391.

It is a cyclic number.

It is not a de Polignac number, because 380013503 - 2¹⁴ = 379997119 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 (380013583) 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, 618608 + ... + 619221.

It is an arithmetic number, because the mean of its divisors is an integer number (95312910).

Almost surely, 2^380013503 is an apocalyptic number.

380013503 is a deficient number, since it is larger than the sum of its proper divisors (1238137).

380013503 is a wasteful number, since it uses less digits than its factorization.

380013503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1238136.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 380013503 is about 19493.9350311834. The cubic root of 380013503 is about 724.3242235708.

Adding to 380013503 its reverse (305310083), we get a palindrome (685323586).

The spelling of 380013503 in words is "three hundred eighty million, thirteen thousand, five hundred three".