2554397 has 2 divisors, whose sum is σ = 2554398. Its totient is φ = 2554396.

The previous prime is 2554339. The next prime is 2554399. The reversal of 2554397 is 7934552.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1653796 + 900601 = 1286^2 + 949^2 .

It is a cyclic number.

It is not a de Polignac number, because 2554397 - 2⁶ = 2554333 is a prime.

Together with 2554399, it forms a pair of twin primes.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2¹³ + 5³ + 5⁹ + 4³ + 3¹² + 9⁵ + 7⁴ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2554399) 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, 1277198 + 1277199.

It is an arithmetic number, because the mean of its divisors is an integer number (1277199).

2^2554397 is an apocalyptic number.

It is an amenable number.

2554397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2554397 is an equidigital number, since it uses as much as digits as its factorization.

2554397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37800, while the sum is 35.

The square root of 2554397 is about 1598.2481033932. The cubic root of 2554397 is about 136.6982008005.

The spelling of 2554397 in words is "two million, five hundred fifty-four thousand, three hundred ninety-seven".