151526561 has 2 divisors, whose sum is σ = 151526562. Its totient is φ = 151526560.

The previous prime is 151526533. The next prime is 151526569. The reversal of 151526561 is 165625151.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 141158161 + 10368400 = 11881^2 + 3220^2 .

It is an emirp because it is prime and its reverse (165625151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 151526561 - 2⁶ = 151526497 is a prime.

It is not a weakly prime, because it can be changed into another prime (151526569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75763280 + 75763281.

It is an arithmetic number, because the mean of its divisors is an integer number (75763281).

Almost surely, 2^151526561 is an apocalyptic number.

It is an amenable number.

151526561 is a deficient number, since it is larger than the sum of its proper divisors (1).

151526561 is an equidigital number, since it uses as much as digits as its factorization.

151526561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9000, while the sum is 32.

The square root of 151526561 is about 12309.6125446742. The cubic root of 151526561 is about 533.1256633752.

The spelling of 151526561 in words is "one hundred fifty-one million, five hundred twenty-six thousand, five hundred sixty-one".