2539841 has 2 divisors, whose sum is σ = 2539842. Its totient is φ = 2539840.

The previous prime is 2539829. The next prime is 2539871. The reversal of 2539841 is 1489352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2310400 + 229441 = 1520^2 + 479^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539841 - 2⁶ = 2539777 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2539798 and 2539807.

It is not a weakly prime, because it can be changed into another prime (2539871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269920 + 1269921.

It is an arithmetic number, because the mean of its divisors is an integer number (1269921).

2^2539841 is an apocalyptic number.

It is an amenable number.

2539841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539841 is an equidigital number, since it uses as much as digits as its factorization.

2539841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8640, while the sum is 32.

The square root of 2539841 is about 1593.6878615337. The cubic root of 2539841 is about 136.4380519217.

The spelling of 2539841 in words is "two million, five hundred thirty-nine thousand, eight hundred forty-one".