659812141 has 2 divisors, whose sum is σ = 659812142. Its totient is φ = 659812140.

The previous prime is 659812133. The next prime is 659812193. The reversal of 659812141 is 141218956.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 616528900 + 43283241 = 24830^2 + 6579^2 .

It is a cyclic number.

It is not a de Polignac number, because 659812141 - 2³ = 659812133 is a prime.

It is a super-2 number, since 2×659812141² = 870704122822007762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 659812141.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (659810141) 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, 329906070 + 329906071.

It is an arithmetic number, because the mean of its divisors is an integer number (329906071).

Almost surely, 2^659812141 is an apocalyptic number.

It is an amenable number.

659812141 is a deficient number, since it is larger than the sum of its proper divisors (1).

659812141 is an equidigital number, since it uses as much as digits as its factorization.

659812141 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 37.

The square root of 659812141 is about 25686.8086962939. The cubic root of 659812141 is about 870.5761546696.

The spelling of 659812141 in words is "six hundred fifty-nine million, eight hundred twelve thousand, one hundred forty-one".