2505573 has 28 divisors (see below), whose sum is σ = 4302048. Its totient is φ = 1428840.

The previous prime is 2505557. The next prime is 2505611. The reversal of 2505573 is 3755052.

It is not a de Polignac number, because 2505573 - 2⁴ = 2505557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2505533) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 4858 + ... + 5348.

2^2505573 is an apocalyptic number.

It is an amenable number.

2505573 is a deficient number, since it is larger than the sum of its proper divisors (1796475).

2505573 is an frugal number, since it uses more digits than its factorization.

2505573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 501 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 2505573 is about 1582.9001863668. The cubic root of 2505573 is about 135.8216556469.

The spelling of 2505573 in words is "two million, five hundred five thousand, five hundred seventy-three".