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625043143 is a prime number
BaseRepresentation
bin100101010000010…
…110011011000111
31121120010111000001
4211100112123013
52240002340033
6142004502131
721326531134
oct4520263307
91546114001
10625043143
112a090318a
121553aa947
139c65661a
145d02558b
1539d17e7d
hex254166c7

625043143 has 2 divisors, whose sum is σ = 625043144. Its totient is φ = 625043142.

The previous prime is 625043113. The next prime is 625043161. The reversal of 625043143 is 341340526.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-625043143 is a prime.

It is a super-2 number, since 2×6250431432 = 781357861222636898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (625043113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 312521571 + 312521572.

It is an arithmetic number, because the mean of its divisors is an integer number (312521572).

Almost surely, 2625043143 is an apocalyptic number.

625043143 is a deficient number, since it is larger than the sum of its proper divisors (1).

625043143 is an equidigital number, since it uses as much as digits as its factorization.

625043143 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 625043143 is about 25000.8628451100. The cubic root of 625043143 is about 855.0076458170.

Adding to 625043143 its reverse (341340526), we get a palindrome (966383669).

The spelling of 625043143 in words is "six hundred twenty-five million, forty-three thousand, one hundred forty-three".