Search a number
-
+
529139557 is a prime number
BaseRepresentation
bin11111100010100…
…000011101100101
31100212200002000101
4133202200131211
52040424431212
6124301144101
716053416632
oct3742403545
91325602011
10529139557
1125175a421
1212925b031
138581853b
14503bd189
15316c2157
hex1f8a0765

529139557 has 2 divisors, whose sum is σ = 529139558. Its totient is φ = 529139556.

The previous prime is 529139543. The next prime is 529139561. The reversal of 529139557 is 755931925.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 491021281 + 38118276 = 22159^2 + 6174^2 .

It is a cyclic number.

It is not a de Polignac number, because 529139557 - 227 = 394921829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (529139057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 264569778 + 264569779.

It is an arithmetic number, because the mean of its divisors is an integer number (264569779).

Almost surely, 2529139557 is an apocalyptic number.

It is an amenable number.

529139557 is a deficient number, since it is larger than the sum of its proper divisors (1).

529139557 is an equidigital number, since it uses as much as digits as its factorization.

529139557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 425250, while the sum is 46.

The square root of 529139557 is about 23003.0336477605. The cubic root of 529139557 is about 808.8290539027.

The spelling of 529139557 in words is "five hundred twenty-nine million, one hundred thirty-nine thousand, five hundred fifty-seven".