11250513 has 6 divisors (see below), whose sum is σ = 16250754. Its totient is φ = 7500336.

The previous prime is 11250509. The next prime is 11250529. The reversal of 11250513 is 31505211.

It can be written as a sum of positive squares in only one way, i.e., 10810944 + 439569 = 3288^2 + 663^2 .

It is not a de Polignac number, because 11250513 - 2² = 11250509 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11250313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 625020 + ... + 625037.

It is an arithmetic number, because the mean of its divisors is an integer number (2708459).

Almost surely, 2^11250513 is an apocalyptic number.

It is an amenable number.

11250513 is a deficient number, since it is larger than the sum of its proper divisors (5000241).

11250513 is a wasteful number, since it uses less digits than its factorization.

11250513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1250063 (or 1250060 counting only the distinct ones).

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

The square root of 11250513 is about 3354.1784389027. The cubic root of 11250513 is about 224.0736431437.

Adding to 11250513 its reverse (31505211), we get a palindrome (42755724).

It can be divided in two parts, 112 and 50513, that added together give a 4-th power (50625 = 15⁴).

The spelling of 11250513 in words is "eleven million, two hundred fifty thousand, five hundred thirteen".