150561601 has 2 divisors, whose sum is σ = 150561602. Its totient is φ = 150561600.

The previous prime is 150561577. The next prime is 150561613. The reversal of 150561601 is 106165051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 143400625 + 7160976 = 11975^2 + 2676^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-150561601 is a prime.

It is not a weakly prime, because it can be changed into another prime (150561641) 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, 75280800 + 75280801.

It is an arithmetic number, because the mean of its divisors is an integer number (75280801).

Almost surely, 2^150561601 is an apocalyptic number.

It is an amenable number.

150561601 is a deficient number, since it is larger than the sum of its proper divisors (1).

150561601 is an equidigital number, since it uses as much as digits as its factorization.

150561601 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 900, while the sum is 25.

The square root of 150561601 is about 12270.3545588544. The cubic root of 150561601 is about 531.9915588858.

The spelling of 150561601 in words is "one hundred fifty million, five hundred sixty-one thousand, six hundred one".