150561001 has 2 divisors, whose sum is σ = 150561002. Its totient is φ = 150561000.

The previous prime is 150560989. The next prime is 150561023. The reversal of 150561001 is 100165051.

150561001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 127712601 + 22848400 = 11301^2 + 4780^2 .

It is a cyclic number.

It is not a de Polignac number, because 150561001 - 2⁷ = 150560873 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 150561001.

It is not a weakly prime, because it can be changed into another prime (150561031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75280500 + 75280501.

It is an arithmetic number, because the mean of its divisors is an integer number (75280501).

Almost surely, 2^150561001 is an apocalyptic number.

It is an amenable number.

150561001 is a deficient number, since it is larger than the sum of its proper divisors (1).

150561001 is an equidigital number, since it uses as much as digits as its factorization.

150561001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 150561001 is about 12270.3301096588. The cubic root of 150561001 is about 531.9908522086.

The spelling of 150561001 in words is "one hundred fifty million, five hundred sixty-one thousand, one".