2250545 has 32 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 1469440.

The previous prime is 2250509. The next prime is 2250559. The reversal of 2250545 is 5450522.

It is not a de Polignac number, because 2250545 - 2¹⁴ = 2234161 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2250545.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27074 + ... + 27156.

It is an arithmetic number, because the mean of its divisors is an integer number (102060).

2^2250545 is an apocalyptic number.

It is an amenable number.

2250545 is a deficient number, since it is larger than the sum of its proper divisors (1015375).

2250545 is a wasteful number, since it uses less digits than its factorization.

2250545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145.

The product of its (nonzero) digits is 2000, while the sum is 23.

The square root of 2250545 is about 1500.1816556671. The cubic root of 2250545 is about 131.0476488864.

Subtracting from 2250545 its sum of digits (23), we obtain a palindrome (2250522).

The spelling of 2250545 in words is "two million, two hundred fifty thousand, five hundred forty-five".