2554457 has 2 divisors, whose sum is σ = 2554458. Its totient is φ = 2554456.

The previous prime is 2554451. The next prime is 2554459. The reversal of 2554457 is 7544552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2374681 + 179776 = 1541^2 + 424^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554457 - 2¹⁰ = 2553433 is a prime.

Together with 2554459, 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 (2554451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277228 + 1277229.

It is an arithmetic number, because the mean of its divisors is an integer number (1277229).

2^2554457 is an apocalyptic number.

It is an amenable number.

2554457 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554457 is an equidigital number, since it uses as much as digits as its factorization.

2554457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28000, while the sum is 32.

The square root of 2554457 is about 1598.2668738355. The cubic root of 2554457 is about 136.6992710894.

The spelling of 2554457 in words is "two million, five hundred fifty-four thousand, four hundred fifty-seven".