1013642503 has 2 divisors, whose sum is σ = 1013642504. Its totient is φ = 1013642502.

The previous prime is 1013642489. The next prime is 1013642521. The reversal of 1013642503 is 3052463101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1013642503 - 2²⁵ = 980088071 is a prime.

It is a super-2 number, since 2×1013642503² = 2054942247776210018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013649503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506821251 + 506821252.

It is an arithmetic number, because the mean of its divisors is an integer number (506821252).

Almost surely, 2^1013642503 is an apocalyptic number.

1013642503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013642503 is an equidigital number, since it uses as much as digits as its factorization.

1013642503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 1013642503 is about 31837.7527944420. The cubic root of 1013642503 is about 1004.5269765587.

The spelling of 1013642503 in words is "one billion, thirteen million, six hundred forty-two thousand, five hundred three".