2393257 has 2 divisors, whose sum is σ = 2393258. Its totient is φ = 2393256.

The previous prime is 2393233. The next prime is 2393263. The reversal of 2393257 is 7523932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1354896 + 1038361 = 1164^2 + 1019^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2393257 is a prime.

It is a d-powerful number, because it can be written as 2⁹ + 3¹⁰ + 9⁵ + 3¹¹ + 2²¹ + 5 + 7³ .

It is not a weakly prime, because it can be changed into another prime (2393857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1196628 + 1196629.

It is an arithmetic number, because the mean of its divisors is an integer number (1196629).

2^2393257 is an apocalyptic number.

It is an amenable number.

2393257 is a deficient number, since it is larger than the sum of its proper divisors (1).

2393257 is an equidigital number, since it uses as much as digits as its factorization.

2393257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 31.

The square root of 2393257 is about 1547.0155138201. The cubic root of 2393257 is about 133.7610838924.

The spelling of 2393257 in words is "two million, three hundred ninety-three thousand, two hundred fifty-seven".