Search a number
-
+
82925569 is a prime number
BaseRepresentation
bin1001111000101…
…01100000000001
312210001001111101
410330111200001
5132212104234
612121214401
72024566336
oct474254001
9183031441
1082925569
114289a231
1223931401
1314245bac
14b02898d
157430814
hex4f15801

82925569 has 2 divisors, whose sum is σ = 82925570. Its totient is φ = 82925568.

The previous prime is 82925567. The next prime is 82925581. The reversal of 82925569 is 96552928.

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., 70358544 + 12567025 = 8388^2 + 3545^2 .

It is a cyclic number.

It is not a de Polignac number, because 82925569 - 21 = 82925567 is a prime.

It is a super-2 number, since 2×829255692 = 13753299987947522, which contains 22 as substring.

Together with 82925567, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (82925567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41462784 + 41462785.

It is an arithmetic number, because the mean of its divisors is an integer number (41462785).

Almost surely, 282925569 is an apocalyptic number.

It is an amenable number.

82925569 is a deficient number, since it is larger than the sum of its proper divisors (1).

82925569 is an equidigital number, since it uses as much as digits as its factorization.

82925569 is an evil number, because the sum of its binary digits is even.

The product of its digits is 388800, while the sum is 46.

The square root of 82925569 is about 9106.3477311159. The cubic root of 82925569 is about 436.0766372733.

It can be divided in two parts, 8292 and 5569, that added together give a triangular number (13861 = T166).

The spelling of 82925569 in words is "eighty-two million, nine hundred twenty-five thousand, five hundred sixty-nine".