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14255557 is a prime number
BaseRepresentation
bin110110011000…
…010111000101
3222211020221121
4312120113011
512122134212
61225313541
7232112251
oct66302705
928736847
1014255557
118057458
1249358b1
132c51854
141c71261
1513b8d07
hexd985c5

14255557 has 2 divisors, whose sum is σ = 14255558. Its totient is φ = 14255556.

The previous prime is 14255543. The next prime is 14255573. The reversal of 14255557 is 75555241.

14255557 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., 7834401 + 6421156 = 2799^2 + 2534^2 .

It is an emirp because it is prime and its reverse (75555241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-14255557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14255587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7127778 + 7127779.

It is an arithmetic number, because the mean of its divisors is an integer number (7127779).

Almost surely, 214255557 is an apocalyptic number.

It is an amenable number.

14255557 is a deficient number, since it is larger than the sum of its proper divisors (1).

14255557 is an equidigital number, since it uses as much as digits as its factorization.

14255557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35000, while the sum is 34.

The square root of 14255557 is about 3775.6531885225. The cubic root of 14255557 is about 242.4718896101.

The spelling of 14255557 in words is "fourteen million, two hundred fifty-five thousand, five hundred fifty-seven".