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255125719 is a prime number
BaseRepresentation
bin11110011010011…
…10100011010111
3122210001201200201
433031032203113
51010303010334
641152121331
76215350522
oct1715164327
9583051621
10255125719
11121014802
1271536247
1340b18784
1425c51bb9
15175e7c14
hexf34e8d7

255125719 has 2 divisors, whose sum is σ = 255125720. Its totient is φ = 255125718.

The previous prime is 255125707. The next prime is 255125737. The reversal of 255125719 is 917521552.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 255125719 - 215 = 255092951 is a prime.

It is a super-2 number, since 2×2551257192 = 130178264990533922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255125779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127562859 + 127562860.

It is an arithmetic number, because the mean of its divisors is an integer number (127562860).

Almost surely, 2255125719 is an apocalyptic number.

255125719 is a deficient number, since it is larger than the sum of its proper divisors (1).

255125719 is an equidigital number, since it uses as much as digits as its factorization.

255125719 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 31500, while the sum is 37.

The square root of 255125719 is about 15972.6553521949. The cubic root of 255125719 is about 634.2367658519.

The spelling of 255125719 in words is "two hundred fifty-five million, one hundred twenty-five thousand, seven hundred nineteen".