1001037513 has 12 divisors (see below), whose sum is σ = 1552629840. Its totient is φ = 572021352.

The previous prime is 1001037497. The next prime is 1001037517. The reversal of 1001037513 is 3157301001.

It is not a de Polignac number, because 1001037513 - 2⁴ = 1001037497 is a prime.

It is a super-2 number, since 2×1001037513² = 2004152204866450338, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 1001037513.

It is not an unprimeable number, because it can be changed into a prime (1001037517) 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, 3404743 + ... + 3405036.

It is an arithmetic number, because the mean of its divisors is an integer number (129385820).

Almost surely, 2^1001037513 is an apocalyptic number.

It is an amenable number.

1001037513 is a deficient number, since it is larger than the sum of its proper divisors (551592327).

1001037513 is an equidigital number, since it uses as much as digits as its factorization.

1001037513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6809796 (or 6809789 counting only the distinct ones).

The product of its (nonzero) digits is 315, while the sum is 21.

The square root of 1001037513 is about 31639.1768698239. The cubic root of 1001037513 is about 1000.3457181319.

Adding to 1001037513 its reverse (3157301001), we get a palindrome (4158338514).

The spelling of 1001037513 in words is "one billion, one million, thirty-seven thousand, five hundred thirteen".