1015535213 has 12 divisors (see below), whose sum is σ = 1275714720. Its totient is φ = 791325480.

The previous prime is 1015535203. The next prime is 1015535219. The reversal of 1015535213 is 3125355101.

It is a happy number.

It is not a de Polignac number, because 1015535213 - 2⁶ = 1015535149 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015535219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 598643 + ... + 600336.

It is an arithmetic number, because the mean of its divisors is an integer number (106309560).

Almost surely, 2^1015535213 is an apocalyptic number.

It is an amenable number.

1015535213 is a deficient number, since it is larger than the sum of its proper divisors (260179507).

1015535213 is a wasteful number, since it uses less digits than its factorization.

1015535213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199008 (or 1198997 counting only the distinct ones).

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

The square root of 1015535213 is about 31867.4632344653. The cubic root of 1015535213 is about 1005.1518175309.

The spelling of 1015535213 in words is "one billion, fifteen million, five hundred thirty-five thousand, two hundred thirteen".