1013253503 has 2 divisors, whose sum is σ = 1013253504. Its totient is φ = 1013253502.

The previous prime is 1013253497. The next prime is 1013253509. The reversal of 1013253503 is 3053523101.

It is a balanced prime because it is at equal distance from previous prime (1013253497) and next prime (1013253509).

It is a cyclic number.

It is not a de Polignac number, because 1013253503 - 2⁴ = 1013253487 is a prime.

It is a super-2 number, since 2×1013253503² = 2053365322683542018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1013253509) 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, 506626751 + 506626752.

It is an arithmetic number, because the mean of its divisors is an integer number (506626752).

Almost surely, 2^1013253503 is an apocalyptic number.

1013253503 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013253503 is an equidigital number, since it uses as much as digits as its factorization.

1013253503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 1013253503 is about 31831.6431087055. The cubic root of 1013253503 is about 1004.3984595223.

Adding to 1013253503 its reverse (3053523101), we get a palindrome (4066776604).

The spelling of 1013253503 in words is "one billion, thirteen million, two hundred fifty-three thousand, five hundred three".