2551185 has 72 divisors (see below), whose sum is σ = 5601960. Its totient is φ = 1064448.

The previous prime is 2551177. The next prime is 2551223. The reversal of 2551185 is 5811552.

It can be written as a sum of positive squares in 4 ways, for example, as 3969 + 2547216 = 63^2 + 1596^2 .

It is not a de Polignac number, because 2551185 - 2³ = 2551177 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 28621 + ... + 28709.

It is an arithmetic number, because the mean of its divisors is an integer number (77805).

2^2551185 is an apocalyptic number.

It is an amenable number.

2551185 is an abundant number, since it is smaller than the sum of its proper divisors (3050775).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2551185 is a wasteful number, since it uses less digits than its factorization.

2551185 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127 (or 117 counting only the distinct ones).

The product of its digits is 2000, while the sum is 27.

The square root of 2551185 is about 1597.2429370637. The cubic root of 2551185 is about 136.6408801901.

The spelling of 2551185 in words is "two million, five hundred fifty-one thousand, one hundred eighty-five".