2598397 has 2 divisors, whose sum is σ = 2598398. Its totient is φ = 2598396.

The previous prime is 2598367. The next prime is 2598403. The reversal of 2598397 is 7938952.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1610361 + 988036 = 1269^2 + 994^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2598397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2598317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1299198 + 1299199.

It is an arithmetic number, because the mean of its divisors is an integer number (1299199).

2^2598397 is an apocalyptic number.

It is an amenable number.

2598397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2598397 is an equidigital number, since it uses as much as digits as its factorization.

2598397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 136080, while the sum is 43.

The square root of 2598397 is about 1611.9544038216. The cubic root of 2598397 is about 137.4786214696.

The spelling of 2598397 in words is "two million, five hundred ninety-eight thousand, three hundred ninety-seven".