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536870813 is a prime number
BaseRepresentation
bin11111111111111…
…111111110011101
31101102012212022012
4133333333332131
52044414331223
6125135001005
716206220013
oct3777777635
91342185265
10536870813
1125605aa96
1212b969165
13872c454b
14514328b3
15321ecc78
hex1fffff9d

536870813 has 2 divisors, whose sum is σ = 536870814. Its totient is φ = 536870812.

The previous prime is 536870791. The next prime is 536870819. The reversal of 536870813 is 318078635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 461476324 + 75394489 = 21482^2 + 8683^2 .

It is a cyclic number.

It is not a de Polignac number, because 536870813 - 214 = 536854429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (536870819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 268435406 + 268435407.

It is an arithmetic number, because the mean of its divisors is an integer number (268435407).

Almost surely, 2536870813 is an apocalyptic number.

It is an amenable number.

536870813 is a deficient number, since it is larger than the sum of its proper divisors (1).

536870813 is an equidigital number, since it uses as much as digits as its factorization.

536870813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 536870813 is about 23170.4728695812. The cubic root of 536870813 is about 812.7492886502.

The spelling of 536870813 in words is "five hundred thirty-six million, eight hundred seventy thousand, eight hundred thirteen".