11458021 has 2 divisors, whose sum is σ = 11458022. Its totient is φ = 11458020.

The previous prime is 11458001. The next prime is 11458039. The reversal of 11458021 is 12085411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6305121 + 5152900 = 2511^2 + 2270^2 .

It is a cyclic number.

It is not a de Polignac number, because 11458021 - 2¹³ = 11449829 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11457983 and 11458001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11458001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5729010 + 5729011.

It is an arithmetic number, because the mean of its divisors is an integer number (5729011).

Almost surely, 2^11458021 is an apocalyptic number.

It is an amenable number.

11458021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11458021 is an equidigital number, since it uses as much as digits as its factorization.

11458021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 11458021 is about 3384.9698669264. The cubic root of 11458021 is about 225.4428873246.

The spelling of 11458021 in words is "eleven million, four hundred fifty-eight thousand, twenty-one".