2250531 has 32 divisors (see below), whose sum is σ = 3628800. Its totient is φ = 1373760.

The previous prime is 2250509. The next prime is 2250559. The reversal of 2250531 is 1350522.

It is a happy number.

It is not a de Polignac number, because 2250531 - 2⁶ = 2250467 is a prime.

It is a super-2 number, since 2×2250531² = 10129779563922, which contains 22 as substring.

2250531 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2250581) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20980 + ... + 21086.

It is an arithmetic number, because the mean of its divisors is an integer number (113400).

2^2250531 is an apocalyptic number.

2250531 is a deficient number, since it is larger than the sum of its proper divisors (1378269).

2250531 is a wasteful number, since it uses less digits than its factorization.

2250531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176 (or 170 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 2250531 is about 1500.1769895582. The cubic root of 2250531 is about 131.0473771491.

Subtracting from 2250531 its reverse (1350522), we obtain a palindrome (900009).

The spelling of 2250531 in words is "two million, two hundred fifty thousand, five hundred thirty-one".