2385281 has 2 divisors, whose sum is σ = 2385282. Its totient is φ = 2385280.

The previous prime is 2385263. The next prime is 2385293. The reversal of 2385281 is 1825832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2298256 + 87025 = 1516^2 + 295^2 .

It is a cyclic number.

It is not a de Polignac number, because 2385281 - 2¹⁰ = 2384257 is a prime.

It is a super-2 number, since 2×2385281² = 11379130897922, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2385211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1192640 + 1192641.

It is an arithmetic number, because the mean of its divisors is an integer number (1192641).

2^2385281 is an apocalyptic number.

It is an amenable number.

2385281 is a deficient number, since it is larger than the sum of its proper divisors (1).

2385281 is an equidigital number, since it uses as much as digits as its factorization.

2385281 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 2385281 is about 1544.4354955776. The cubic root of 2385281 is about 133.6123234655.

The spelling of 2385281 in words is "two million, three hundred eighty-five thousand, two hundred eighty-one".