152659561 has 2 divisors, whose sum is σ = 152659562. Its totient is φ = 152659560.

The previous prime is 152659553. The next prime is 152659607. The reversal of 152659561 is 165956251.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 136305625 + 16353936 = 11675^2 + 4044^2 .

It is a cyclic number.

It is not a de Polignac number, because 152659561 - 2³ = 152659553 is a prime.

It is not a weakly prime, because it can be changed into another prime (152659501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 76329780 + 76329781.

It is an arithmetic number, because the mean of its divisors is an integer number (76329781).

Almost surely, 2^152659561 is an apocalyptic number.

It is an amenable number.

152659561 is a deficient number, since it is larger than the sum of its proper divisors (1).

152659561 is an equidigital number, since it uses as much as digits as its factorization.

152659561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 40.

The square root of 152659561 is about 12355.5477822717. The cubic root of 152659561 is about 534.4511341930.

The spelling of 152659561 in words is "one hundred fifty-two million, six hundred fifty-nine thousand, five hundred sixty-one".