11250531 has 12 divisors (see below), whose sum is σ = 16597152. Its totient is φ = 7340496.

The previous prime is 11250529. The next prime is 11250539. The reversal of 11250531 is 13505211.

It is not a de Polignac number, because 11250531 - 2¹ = 11250529 is a prime.

It is a super-2 number, since 2×11250531² = 253148895563922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11250539) 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, 12876 + ... + 13721.

It is an arithmetic number, because the mean of its divisors is an integer number (1383096).

Almost surely, 2^11250531 is an apocalyptic number.

11250531 is a deficient number, since it is larger than the sum of its proper divisors (5346621).

11250531 is a wasteful number, since it uses less digits than its factorization.

11250531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26650 (or 26647 counting only the distinct ones).

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

The square root of 11250531 is about 3354.1811221221. The cubic root of 11250531 is about 224.0737626441.

Adding to 11250531 its reverse (13505211), we get a palindrome (24755742).

It can be divided in two parts, 11250 and 531, that added together give a triangular number (11781 = T₁₅₃).

The spelling of 11250531 in words is "eleven million, two hundred fifty thousand, five hundred thirty-one".