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255714997 is a prime number
BaseRepresentation
bin11110011110111…
…10011010110101
3122211011200000211
433033132122311
51010430334442
641212505421
76223353526
oct1717363265
9584150024
10255714997
1112138750a
127177b271
1340c93a65
1425d6684d
15176b2617
hexf3de6b5

255714997 has 2 divisors, whose sum is σ = 255714998. Its totient is φ = 255714996.

The previous prime is 255714959. The next prime is 255715049. The reversal of 255714997 is 799417552.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 255712081 + 2916 = 15991^2 + 54^2 .

It is a cyclic number.

It is not a de Polignac number, because 255714997 - 211 = 255712949 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 255714997.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255714917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127857498 + 127857499.

It is an arithmetic number, because the mean of its divisors is an integer number (127857499).

Almost surely, 2255714997 is an apocalyptic number.

It is an amenable number.

255714997 is a deficient number, since it is larger than the sum of its proper divisors (1).

255714997 is an equidigital number, since it uses as much as digits as its factorization.

255714997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 793800, while the sum is 49.

The square root of 255714997 is about 15991.0911760267. The cubic root of 255714997 is about 634.7247009666.

The spelling of 255714997 in words is "two hundred fifty-five million, seven hundred fourteen thousand, nine hundred ninety-seven".