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11251979 is a prime number
BaseRepresentation
bin101010111011…
…000100001011
3210011122210222
4222323010023
510340030404
61041100255
7164432414
oct52730413
923148728
1011251979
116395862
12392768b
13243c69b
1416cc80b
15ec3dbe
hexabb10b

11251979 has 2 divisors, whose sum is σ = 11251980. Its totient is φ = 11251978.

The previous prime is 11251973. The next prime is 11252023. The reversal of 11251979 is 97915211.

11251979 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 is an emirp because it is prime and its reverse (97915211) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11251979 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11251973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5625989 + 5625990.

It is an arithmetic number, because the mean of its divisors is an integer number (5625990).

Almost surely, 211251979 is an apocalyptic number.

11251979 is a deficient number, since it is larger than the sum of its proper divisors (1).

11251979 is an equidigital number, since it uses as much as digits as its factorization.

11251979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 35.

The square root of 11251979 is about 3354.3969651787. The cubic root of 11251979 is about 224.0833753723.

The spelling of 11251979 in words is "eleven million, two hundred fifty-one thousand, nine hundred seventy-nine".