2539469 has 2 divisors, whose sum is σ = 2539470. Its totient is φ = 2539468.

The previous prime is 2539463. The next prime is 2539513. The reversal of 2539469 is 9649352.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1464100 + 1075369 = 1210^2 + 1037^2 .

It is a cyclic number.

It is not a de Polignac number, because 2539469 - 2⁸ = 2539213 is a prime.

It is a super-2 number, since 2×2539469² = 12897805603922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2539463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1269734 + 1269735.

It is an arithmetic number, because the mean of its divisors is an integer number (1269735).

2^2539469 is an apocalyptic number.

It is an amenable number.

2539469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2539469 is an equidigital number, since it uses as much as digits as its factorization.

2539469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 58320, while the sum is 38.

The square root of 2539469 is about 1593.5711468272. The cubic root of 2539469 is about 136.4313904242.

The spelling of 2539469 in words is "two million, five hundred thirty-nine thousand, four hundred sixty-nine".