2678497 has 2 divisors, whose sum is σ = 2678498. Its totient is φ = 2678496.

The previous prime is 2678471. The next prime is 2678519. The reversal of 2678497 is 7948762.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1971216 + 707281 = 1404^2 + 841^2 .

It is a cyclic number.

It is not a de Polignac number, because 2678497 - 2¹⁹ = 2154209 is a prime.

It is a d-powerful number, because it can be written as 2²¹ + 6³ + 7² + 8⁵ + 4³ + 9⁶ + 7⁵ .

It is not a weakly prime, because it can be changed into another prime (2678437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1339248 + 1339249.

It is an arithmetic number, because the mean of its divisors is an integer number (1339249).

2^2678497 is an apocalyptic number.

It is an amenable number.

2678497 is a deficient number, since it is larger than the sum of its proper divisors (1).

2678497 is an equidigital number, since it uses as much as digits as its factorization.

2678497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 43.

The square root of 2678497 is about 1636.6114383078. The cubic root of 2678497 is about 138.8770197383.

The spelling of 2678497 in words is "two million, six hundred seventy-eight thousand, four hundred ninety-seven".