2520189 has 24 divisors (see below), whose sum is σ = 4209920. Its totient is φ = 1423008.

The previous prime is 2520173. The next prime is 2520191. The reversal of 2520189 is 9810252.

It is not a de Polignac number, because 2520189 - 2⁴ = 2520173 is a prime.

It is a Duffinian number.

It is a Curzon number.

2520189 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2520139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6684 + ... + 7050.

2^2520189 is an apocalyptic number.

It is an amenable number.

2520189 is a deficient number, since it is larger than the sum of its proper divisors (1689731).

2520189 is a wasteful number, since it uses less digits than its factorization.

2520189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 2520189 is about 1587.5103149271. The cubic root of 2520189 is about 136.0852442801.

The spelling of 2520189 in words is "two million, five hundred twenty thousand, one hundred eighty-nine".