1013535215 has 32 divisors (see below), whose sum is σ = 1519202304. Its totient is φ = 630627840.

The previous prime is 1013535203. The next prime is 1013535283. The reversal of 1013535215 is 5125353101.

It is a happy number.

It is not a de Polignac number, because 1013535215 - 2⁶ = 1013535151 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231527 + ... + 235863.

It is an arithmetic number, because the mean of its divisors is an integer number (47475072).

Almost surely, 2^1013535215 is an apocalyptic number.

1013535215 is a deficient number, since it is larger than the sum of its proper divisors (505667089).

1013535215 is a wasteful number, since it uses less digits than its factorization.

1013535215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4967.

The product of its (nonzero) digits is 2250, while the sum is 26.

The square root of 1013535215 is about 31836.0678319418. The cubic root of 1013535215 is about 1004.4915342495.

Adding to 1013535215 its reverse (5125353101), we get a palindrome (6138888316).

It can be divided in two parts, 101353521 and 5, that multiplied together give a palindrome (506767605).

The spelling of 1013535215 in words is "one billion, thirteen million, five hundred thirty-five thousand, two hundred fifteen".