13151503 has 2 divisors, whose sum is σ = 13151504. Its totient is φ = 13151502.

The previous prime is 13151459. The next prime is 13151519. The reversal of 13151503 is 30515131.

13151503 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (30515131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13151503 - 2¹⁷ = 13020431 is a prime.

It is the 3627-th Hogben number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13151563) by changing a digit.

It is a nontrivial repunit in base 3626.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6575751 + 6575752.

It is an arithmetic number, because the mean of its divisors is an integer number (6575752).

Almost surely, 2^13151503 is an apocalyptic number.

13151503 is a deficient number, since it is larger than the sum of its proper divisors (1).

13151503 is an equidigital number, since it uses as much as digits as its factorization.

13151503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 225, while the sum is 19.

The square root of 13151503 is about 3626.5001034055. The cubic root of 13151503 is about 236.0433643861.

Adding to 13151503 its reverse (30515131), we get a palindrome (43666634).

The spelling of 13151503 in words is "thirteen million, one hundred fifty-one thousand, five hundred three".