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11301421 is a prime number
BaseRepresentation
bin101011000111…
…001000101101
3210021011122011
4223013020231
510343121141
61042121221
7165026515
oct53071055
923234564
1011301421
116419a1a
123950211
132459041
141702845
15ed3881
hexac722d

11301421 has 2 divisors, whose sum is σ = 11301422. Its totient is φ = 11301420.

The previous prime is 11301419. The next prime is 11301431. The reversal of 11301421 is 12410311.

11301421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 212521 = 3330^2 + 461^2 .

It is a cyclic number.

It is not a de Polignac number, because 11301421 - 21 = 11301419 is a prime.

Together with 11301419, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11301431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5650710 + 5650711.

It is an arithmetic number, because the mean of its divisors is an integer number (5650711).

Almost surely, 211301421 is an apocalyptic number.

It is an amenable number.

11301421 is a deficient number, since it is larger than the sum of its proper divisors (1).

11301421 is an equidigital number, since it uses as much as digits as its factorization.

11301421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 11301421 is about 3361.7586171526. The cubic root of 11301421 is about 224.4111086018.

Adding to 11301421 its reverse (12410311), we get a palindrome (23711732).

The spelling of 11301421 in words is "eleven million, three hundred one thousand, four hundred twenty-one".