1015250013 has 12 divisors (see below), whose sum is σ = 1552735548. Its totient is φ = 637019520.

The previous prime is 1015250011. The next prime is 1015250039. The reversal of 1015250013 is 3100525101.

1015250013 is a `hidden beast` number, since 1 + 0 + 152 + 500 + 13 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 665485209 + 349764804 = 25797^2 + 18702^2 .

It is not a de Polignac number, because 1015250013 - 2¹ = 1015250011 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015250011) 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 11 ways as a sum of consecutive naturals, for example, 3317658 + ... + 3317963.

It is an arithmetic number, because the mean of its divisors is an integer number (129394629).

Almost surely, 2^1015250013 is an apocalyptic number.

It is an amenable number.

1015250013 is a deficient number, since it is larger than the sum of its proper divisors (537485535).

1015250013 is a wasteful number, since it uses less digits than its factorization.

1015250013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6635644 (or 6635641 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 18.

The square root of 1015250013 is about 31862.9881367081. The cubic root of 1015250013 is about 1005.0577140688.

Adding to 1015250013 its reverse (3100525101), we get a palindrome (4115775114).

The spelling of 1015250013 in words is "one billion, fifteen million, two hundred fifty thousand, thirteen".