Search a number
-
+
2124553 is a prime number
BaseRepresentation
bin1000000110101100001001
310222221100011
420012230021
51020441203
6113311521
724026014
oct10065411
93887304
102124553
111221232
128655a1
13595042
143d437b
152be76d
hex206b09

2124553 has 2 divisors, whose sum is σ = 2124554. Its totient is φ = 2124552.

The previous prime is 2124517. The next prime is 2124571. The reversal of 2124553 is 3554212.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1327104 + 797449 = 1152^2 + 893^2 .

It is a cyclic number.

It is not a de Polignac number, because 2124553 - 29 = 2124041 is a prime.

It is not a weakly prime, because it can be changed into another prime (2124253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1062276 + 1062277.

It is an arithmetic number, because the mean of its divisors is an integer number (1062277).

22124553 is an apocalyptic number.

It is an amenable number.

2124553 is a deficient number, since it is larger than the sum of its proper divisors (1).

2124553 is an equidigital number, since it uses as much as digits as its factorization.

2124553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1200, while the sum is 22.

The square root of 2124553 is about 1457.5846459125. The cubic root of 2124553 is about 128.5550642900. Note that the first 3 decimals are identical.

Adding to 2124553 its reverse (3554212), we get a palindrome (5678765).

The spelling of 2124553 in words is "two million, one hundred twenty-four thousand, five hundred fifty-three".