2549069 has 2 divisors, whose sum is σ = 2549070. Its totient is φ = 2549068.

The previous prime is 2549051. The next prime is 2549077. The reversal of 2549069 is 9609452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 131044 = 1555^2 + 362^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549069 - 2⁸ = 2548813 is a prime.

It is a super-2 number, since 2×2549069² = 12995505533522, which contains 22 as substring.

It is a Sophie Germain 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 (2549009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1274534 + 1274535.

It is an arithmetic number, because the mean of its divisors is an integer number (1274535).

2^2549069 is an apocalyptic number.

It is an amenable number.

2549069 is a deficient number, since it is larger than the sum of its proper divisors (1).

2549069 is an equidigital number, since it uses as much as digits as its factorization.

2549069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 2549069 is about 1596.5804082476. The cubic root of 2549069 is about 136.6030922501.

It can be divided in two parts, 25 and 49069, that added together give a palindrome (49094).

The spelling of 2549069 in words is "two million, five hundred forty-nine thousand, sixty-nine".