2104253257 has 2 divisors, whose sum is σ = 2104253258. Its totient is φ = 2104253256.

The previous prime is 2104253219. The next prime is 2104253293. The reversal of 2104253257 is 7523524012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1139467536 + 964785721 = 33756^2 + 31061^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2104253257 is a prime.

It is not a weakly prime, because it can be changed into another prime (2104253297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052126628 + 1052126629.

It is an arithmetic number, because the mean of its divisors is an integer number (1052126629).

Almost surely, 2^2104253257 is an apocalyptic number.

It is an amenable number.

2104253257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2104253257 is an equidigital number, since it uses as much as digits as its factorization.

2104253257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 2104253257 is about 45872.1403141384. The cubic root of 2104253257 is about 1281.4431267809.

Adding to 2104253257 its reverse (7523524012), we get a palindrome (9627777269).

The spelling of 2104253257 in words is "two billion, one hundred four million, two hundred fifty-three thousand, two hundred fifty-seven".