2653897 has 2 divisors, whose sum is σ = 2653898. Its totient is φ = 2653896.

The previous prime is 2653883. The next prime is 2653907. The reversal of 2653897 is 7983562.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2653641 + 256 = 1629^2 + 16^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2653897 is a prime.

2653897 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2653867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1326948 + 1326949.

It is an arithmetic number, because the mean of its divisors is an integer number (1326949).

2^2653897 is an apocalyptic number.

It is an amenable number.

2653897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2653897 is an equidigital number, since it uses as much as digits as its factorization.

2653897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

The square root of 2653897 is about 1629.0785739184. The cubic root of 2653897 is about 138.4505507979.

The spelling of 2653897 in words is "two million, six hundred fifty-three thousand, eight hundred ninety-seven".