2254657 has 2 divisors, whose sum is σ = 2254658. Its totient is φ = 2254656.

The previous prime is 2254649. The next prime is 2254687. The reversal of 2254657 is 7564522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2238016 + 16641 = 1496^2 + 129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2254657 - 2³ = 2254649 is a prime.

It is a d-powerful number, because it can be written as 2³ + 2²¹ + 5⁷ + 4⁵ + 6³ + 5⁷ + 7 .

2254657 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2254607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1127328 + 1127329.

It is an arithmetic number, because the mean of its divisors is an integer number (1127329).

2^2254657 is an apocalyptic number.

It is an amenable number.

2254657 is a deficient number, since it is larger than the sum of its proper divisors (1).

2254657 is an equidigital number, since it uses as much as digits as its factorization.

2254657 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16800, while the sum is 31.

The square root of 2254657 is about 1501.5515309173. The cubic root of 2254657 is about 131.1274132804.

Subtracting from 2254657 its sum of digits (31), we obtain a triangular number (2254626 = T₂₁₂₃).

The spelling of 2254657 in words is "two million, two hundred fifty-four thousand, six hundred fifty-seven".