2058409 has 2 divisors, whose sum is σ = 2058410. Its totient is φ = 2058408.

The previous prime is 2058401. The next prime is 2058439. The reversal of 2058409 is 9048502.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1968409 + 90000 = 1403^2 + 300^2 .

It is a cyclic number.

It is not a de Polignac number, because 2058409 - 2³ = 2058401 is a prime.

It is a super-2 number, since 2×2058409² = 8474095222562, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2058401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1029204 + 1029205.

It is an arithmetic number, because the mean of its divisors is an integer number (1029205).

2^2058409 is an apocalyptic number.

It is an amenable number.

2058409 is a deficient number, since it is larger than the sum of its proper divisors (1).

2058409 is an equidigital number, since it uses as much as digits as its factorization.

2058409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 2058409 is about 1434.7156512703. The cubic root of 2058409 is about 127.2068672703.

The spelling of 2058409 in words is "two million, fifty-eight thousand, four hundred nine".