2545173 has 6 divisors (see below), whose sum is σ = 3676374. Its totient is φ = 1696776.

The previous prime is 2545171. The next prime is 2545177. The reversal of 2545173 is 3715452.

It is a happy number.

2545173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2331729 + 213444 = 1527^2 + 462^2 .

It is not a de Polignac number, because 2545173 - 2¹ = 2545171 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2545171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 141390 + ... + 141407.

It is an arithmetic number, because the mean of its divisors is an integer number (612729).

2^2545173 is an apocalyptic number.

It is an amenable number.

2545173 is a deficient number, since it is larger than the sum of its proper divisors (1131201).

2545173 is a wasteful number, since it uses less digits than its factorization.

2545173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282803 (or 282800 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 2545173 is about 1595.3598340186. The cubic root of 2545173 is about 136.5334619892.

The spelling of 2545173 in words is "two million, five hundred forty-five thousand, one hundred seventy-three".