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2585108531 is a prime number
BaseRepresentation
bin1001101000010101…
…1010000000110011
320200011100010020102
42122011122000303
520243241433111
61104303503015
7121030026365
oct23205320063
96604303212
102585108531
111107254335
126018b7a6b
1332275ab25
141a7486d35
15101e3d13b
hex9a15a033

2585108531 has 2 divisors, whose sum is σ = 2585108532. Its totient is φ = 2585108530.

The previous prime is 2585108527. The next prime is 2585108567. The reversal of 2585108531 is 1358015852.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2585108531 - 22 = 2585108527 is a prime.

It is a super-2 number, since 2×25851085312 = 13365572234097955922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2585108831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1292554265 + 1292554266.

It is an arithmetic number, because the mean of its divisors is an integer number (1292554266).

Almost surely, 22585108531 is an apocalyptic number.

2585108531 is a deficient number, since it is larger than the sum of its proper divisors (1).

2585108531 is an equidigital number, since it uses as much as digits as its factorization.

2585108531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48000, while the sum is 38.

The square root of 2585108531 is about 50843.9625816084. The cubic root of 2585108531 is about 1372.4386088933.

The spelling of 2585108531 in words is "two billion, five hundred eighty-five million, one hundred eight thousand, five hundred thirty-one".