2004253397 has 2 divisors, whose sum is σ = 2004253398. Its totient is φ = 2004253396.

The previous prime is 2004253367. The next prime is 2004253409. The reversal of 2004253397 is 7933524002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1619740516 + 384512881 = 40246^2 + 19609^2 .

It is a cyclic number.

It is not a de Polignac number, because 2004253397 - 2²⁶ = 1937144533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2004253337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002126698 + 1002126699.

It is an arithmetic number, because the mean of its divisors is an integer number (1002126699).

Almost surely, 2^2004253397 is an apocalyptic number.

It is an amenable number.

2004253397 is a deficient number, since it is larger than the sum of its proper divisors (1).

2004253397 is an equidigital number, since it uses as much as digits as its factorization.

2004253397 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 35.

The square root of 2004253397 is about 44768.8887175011. Note that the first 3 decimals coincide. The cubic root of 2004253397 is about 1260.8135748854.

Adding to 2004253397 its reverse (7933524002), we get a palindrome (9937777399).

The spelling of 2004253397 in words is "two billion, four million, two hundred fifty-three thousand, three hundred ninety-seven".