2542185 has 20 divisors (see below), whose sum is σ = 4557828. Its totient is φ = 1355616.

The previous prime is 2542151. The next prime is 2542187. The reversal of 2542185 is 5812452.

It is a happy number.

2542185 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 2 ways, for example, as 1871424 + 670761 = 1368^2 + 819^2 .

It is not a de Polignac number, because 2542185 - 2¹⁴ = 2525801 is a prime.

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

It is a Curzon number.

2542185 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2542187) 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 19 ways as a sum of consecutive naturals, for example, 2734 + ... + 3543.

2^2542185 is an apocalyptic number.

It is an amenable number.

2542185 is a deficient number, since it is larger than the sum of its proper divisors (2015643).

2542185 is an equidigital number, since it uses as much as digits as its factorization.

2542185 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6294 (or 6285 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 2542185 is about 1594.4230931594. The cubic root of 2542185 is about 136.4800115641.

The spelling of 2542185 in words is "two million, five hundred forty-two thousand, one hundred eighty-five".