2585251 has 2 divisors, whose sum is σ = 2585252. Its totient is φ = 2585250.

The previous prime is 2585243. The next prime is 2585267. The reversal of 2585251 is 1525852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585251 - 2³ = 2585243 is a prime.

2585251 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2585351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292625 + 1292626.

It is an arithmetic number, because the mean of its divisors is an integer number (1292626).

2^2585251 is an apocalyptic number.

2585251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585251 is an equidigital number, since it uses as much as digits as its factorization.

2585251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4000, while the sum is 28.

The square root of 2585251 is about 1607.8715744735. The cubic root of 2585251 is about 137.2463820777.

The spelling of 2585251 in words is "two million, five hundred eighty-five thousand, two hundred fifty-one".