2458409 has 2 divisors, whose sum is σ = 2458410. Its totient is φ = 2458408.

The previous prime is 2458403. The next prime is 2458411. The reversal of 2458409 is 9048542.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 490000 = 1403^2 + 700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2458409 - 2⁸ = 2458153 is a prime.

It is a super-2 number, since 2×2458409² = 12087549622562, which contains 22 as substring.

Together with 2458411, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2458403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1229204 + 1229205.

It is an arithmetic number, because the mean of its divisors is an integer number (1229205).

2^2458409 is an apocalyptic number.

It is an amenable number.

2458409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2458409 is an equidigital number, since it uses as much as digits as its factorization.

2458409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 2458409 is about 1567.9314398276. The cubic root of 2458409 is about 134.9640324849.

The spelling of 2458409 in words is "two million, four hundred fifty-eight thousand, four hundred nine".