150666251 has 2 divisors, whose sum is σ = 150666252. Its totient is φ = 150666250.

The previous prime is 150666239. The next prime is 150666259. The reversal of 150666251 is 152666051.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 150666251 - 2¹⁰ = 150665227 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150666259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75333125 + 75333126.

It is an arithmetic number, because the mean of its divisors is an integer number (75333126).

Almost surely, 2^150666251 is an apocalyptic number.

150666251 is a deficient number, since it is larger than the sum of its proper divisors (1).

150666251 is an equidigital number, since it uses as much as digits as its factorization.

150666251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10800, while the sum is 32.

The square root of 150666251 is about 12274.6181610672. The cubic root of 150666251 is about 532.1147864606.

The spelling of 150666251 in words is "one hundred fifty million, six hundred sixty-six thousand, two hundred fifty-one".