2558251 has 2 divisors, whose sum is σ = 2558252. Its totient is φ = 2558250.

The previous prime is 2558249. The next prime is 2558287. The reversal of 2558251 is 1528552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2558251 - 2¹ = 2558249 is a prime.

Together with 2558249, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2558951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1279125 + 1279126.

It is an arithmetic number, because the mean of its divisors is an integer number (1279126).

2^2558251 is an apocalyptic number.

2558251 is a deficient number, since it is larger than the sum of its proper divisors (1).

2558251 is an equidigital number, since it uses as much as digits as its factorization.

2558251 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 2558251 is about 1599.4533441148. The cubic root of 2558251 is about 136.7669150124.

It can be divided in two parts, 2558 and 251, that added together give a square (2809 = 53²).

The spelling of 2558251 in words is "two million, five hundred fifty-eight thousand, two hundred fifty-one".