2539093 has 2 divisors, whose sum is σ = 2539094. Its totient is φ = 2539092.

The previous prime is 2539087. The next prime is 2539123. The reversal of 2539093 is 3909352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2537649 + 1444 = 1593^2 + 38^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2539093 is a prime.

It is an Ulam number.

2539093 is a lucky number.

It is equal to p₁₈₅₇₃₇ and since 2539093 and 185737 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 5.

It is a zygodrome in base 5.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269546 + 1269547.

It is an arithmetic number, because the mean of its divisors is an integer number (1269547).

2^2539093 is an apocalyptic number.

It is an amenable number.

2539093 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539093 is an equidigital number, since it uses as much as digits as its factorization.

2539093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7290, while the sum is 31.

The square root of 2539093 is about 1593.4531684364. The cubic root of 2539093 is about 136.4246566366.

The spelling of 2539093 in words is "two million, five hundred thirty-nine thousand, ninety-three".