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555213023 is a prime number
BaseRepresentation
bin100001000101111…
…110000011011111
31102200201202002022
4201011332003133
52114113304043
6131032050355
716521142601
oct4105760337
91380652068
10555213023
11265448842
12135b339bb
138b047221
1453a49171
1533b22868
hex2117e0df

555213023 has 2 divisors, whose sum is σ = 555213024. Its totient is φ = 555213022.

The previous prime is 555213011. The next prime is 555213067. The reversal of 555213023 is 320312555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 555213023 - 28 = 555212767 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 555212983 and 555213001.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (555213223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277606511 + 277606512.

It is an arithmetic number, because the mean of its divisors is an integer number (277606512).

Almost surely, 2555213023 is an apocalyptic number.

555213023 is a deficient number, since it is larger than the sum of its proper divisors (1).

555213023 is an equidigital number, since it uses as much as digits as its factorization.

555213023 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 555213023 is about 23562.9587064104. The cubic root of 555213023 is about 821.9017051239.

Adding to 555213023 its reverse (320312555), we get a palindrome (875525578).

The spelling of 555213023 in words is "five hundred fifty-five million, two hundred thirteen thousand, twenty-three".