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540595421 is a prime number
BaseRepresentation
bin100000001110001…
…101010011011101
31101200020002111122
4200032031103131
52101343023141
6125350500325
716252661642
oct4016152335
91350202448
10540595421
11258174383
121310646a5
1387cc9962
1451b21dc9
15326d664b
hex2038d4dd

540595421 has 2 divisors, whose sum is σ = 540595422. Its totient is φ = 540595420.

The previous prime is 540595369. The next prime is 540595469. The reversal of 540595421 is 124595045.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 531072025 + 9523396 = 23045^2 + 3086^2 .

It is a cyclic number.

It is not a de Polignac number, because 540595421 - 226 = 473486557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (540595021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 270297710 + 270297711.

It is an arithmetic number, because the mean of its divisors is an integer number (270297711).

Almost surely, 2540595421 is an apocalyptic number.

It is an amenable number.

540595421 is a deficient number, since it is larger than the sum of its proper divisors (1).

540595421 is an equidigital number, since it uses as much as digits as its factorization.

540595421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36000, while the sum is 35.

The square root of 540595421 is about 23250.7079677157. The cubic root of 540595421 is about 814.6244752717.

The spelling of 540595421 in words is "five hundred forty million, five hundred ninety-five thousand, four hundred twenty-one".