150420497 has 2 divisors, whose sum is σ = 150420498. Its totient is φ = 150420496.

The previous prime is 150420481. The next prime is 150420499. The reversal of 150420497 is 794024051.

It is a happy number.

150420497 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 86564416 + 63856081 = 9304^2 + 7991^2 .

It is an emirp because it is prime and its reverse (794024051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150420497 - 2⁴ = 150420481 is a prime.

Together with 150420499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (150420499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75210248 + 75210249.

It is an arithmetic number, because the mean of its divisors is an integer number (75210249).

Almost surely, 2^150420497 is an apocalyptic number.

It is an amenable number.

150420497 is a deficient number, since it is larger than the sum of its proper divisors (1).

150420497 is an equidigital number, since it uses as much as digits as its factorization.

150420497 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 150420497 is about 12264.6034179667. The cubic root of 150420497 is about 531.8253155256.

The spelling of 150420497 in words is "one hundred fifty million, four hundred twenty thousand, four hundred ninety-seven".