2405269 has 2 divisors, whose sum is σ = 2405270. Its totient is φ = 2405268.

The previous prime is 2405261. The next prime is 2405297. The reversal of 2405269 is 9625042.

2405269 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2405297) can be obtained adding 2405269 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1703025 + 702244 = 1305^2 + 838^2 .

It is a cyclic number.

It is not a de Polignac number, because 2405269 - 2³ = 2405261 is a prime.

It is a super-2 number, since 2×2405269² = 11570637924722, which contains 22 as substring.

2405269 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2405261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1202634 + 1202635.

It is an arithmetic number, because the mean of its divisors is an integer number (1202635).

2^2405269 is an apocalyptic number.

It is an amenable number.

2405269 is a deficient number, since it is larger than the sum of its proper divisors (1).

2405269 is an equidigital number, since it uses as much as digits as its factorization.

2405269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 2405269 is about 1550.8929685829. The cubic root of 2405269 is about 133.9844973526.

The spelling of 2405269 in words is "two million, four hundred five thousand, two hundred sixty-nine".