1013603533 has 4 divisors (see below), whose sum is σ = 1023444448. Its totient is φ = 1003762620.

The previous prime is 1013603531. The next prime is 1013603543. The reversal of 1013603533 is 3353063101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1013603533 - 2¹ = 1013603531 is a prime.

It is a super-2 number, since 2×1013603533² = 2054784244220164178, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013603498 and 1013603507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013603531) 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 in 3 ways as a sum of consecutive naturals, for example, 4920303 + ... + 4920508.

It is an arithmetic number, because the mean of its divisors is an integer number (255861112).

Almost surely, 2^1013603533 is an apocalyptic number.

It is an amenable number.

1013603533 is a deficient number, since it is larger than the sum of its proper divisors (9840915).

1013603533 is an equidigital number, since it uses as much as digits as its factorization.

1013603533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9840914.

The product of its (nonzero) digits is 2430, while the sum is 25.

The square root of 1013603533 is about 31837.1407792848. The cubic root of 1013603533 is about 1004.5141032107.

Adding to 1013603533 its reverse (3353063101), we get a palindrome (4366666634).

The spelling of 1013603533 in words is "one billion, thirteen million, six hundred three thousand, five hundred thirty-three".