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14564521 is a prime number
BaseRepresentation
bin110111100011…
…110010101001
31000101221202201
4313203302221
512212031041
61240100201
7234540106
oct67436251
930357681
1014564521
1182485a4
124a64661
13302c37a
141d11aad
15142a631
hexde3ca9

14564521 has 2 divisors, whose sum is σ = 14564522. Its totient is φ = 14564520.

The previous prime is 14564483. The next prime is 14564551. The reversal of 14564521 is 12546541.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13542400 + 1022121 = 3680^2 + 1011^2 .

It is a cyclic number.

It is not a de Polignac number, because 14564521 - 29 = 14564009 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14564521.

It is not a weakly prime, because it can be changed into another prime (14564551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7282260 + 7282261.

It is an arithmetic number, because the mean of its divisors is an integer number (7282261).

Almost surely, 214564521 is an apocalyptic number.

It is an amenable number.

14564521 is a deficient number, since it is larger than the sum of its proper divisors (1).

14564521 is an equidigital number, since it uses as much as digits as its factorization.

14564521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4800, while the sum is 28.

The square root of 14564521 is about 3816.3491716561. The cubic root of 14564521 is about 244.2111012381.

The spelling of 14564521 in words is "fourteen million, five hundred sixty-four thousand, five hundred twenty-one".