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542533141 is a prime number
BaseRepresentation
bin100000010101100…
…110011000010101
31101210212112120001
4200111212120111
52102342030031
6125500211301
716305312163
oct4025463025
91353775501
10542533141
112592781a7
12131839b31
1388527937
14520a8233
153296a861
hex20566615

542533141 has 2 divisors, whose sum is σ = 542533142. Its totient is φ = 542533140.

The previous prime is 542533133. The next prime is 542533241. The reversal of 542533141 is 141335245.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 514337041 + 28196100 = 22679^2 + 5310^2 .

It is a cyclic number.

It is not a de Polignac number, because 542533141 - 23 = 542533133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (542533111) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 271266570 + 271266571.

It is an arithmetic number, because the mean of its divisors is an integer number (271266571).

Almost surely, 2542533141 is an apocalyptic number.

It is an amenable number.

542533141 is a deficient number, since it is larger than the sum of its proper divisors (1).

542533141 is an equidigital number, since it uses as much as digits as its factorization.

542533141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7200, while the sum is 28.

The square root of 542533141 is about 23292.3408226825. The cubic root of 542533141 is about 815.5966328875.

Adding to 542533141 its reverse (141335245), we get a palindrome (683868386).

The spelling of 542533141 in words is "five hundred forty-two million, five hundred thirty-three thousand, one hundred forty-one".