150219697 has 2 divisors, whose sum is σ = 150219698. Its totient is φ = 150219696.

The previous prime is 150219679. The next prime is 150219731. The reversal of 150219697 is 796912051.

150219697 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

Together with previous prime (150219679) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 128232976 + 21986721 = 11324^2 + 4689^2 .

It is a cyclic number.

It is not a de Polignac number, because 150219697 - 2⁷ = 150219569 is a prime.

It is not a weakly prime, because it can be changed into another prime (150219607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75109848 + 75109849.

It is an arithmetic number, because the mean of its divisors is an integer number (75109849).

Almost surely, 2^150219697 is an apocalyptic number.

It is an amenable number.

150219697 is a deficient number, since it is larger than the sum of its proper divisors (1).

150219697 is an equidigital number, since it uses as much as digits as its factorization.

150219697 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 40.

The square root of 150219697 is about 12256.4145246479. The cubic root of 150219697 is about 531.5885612714.

The spelling of 150219697 in words is "one hundred fifty million, two hundred nineteen thousand, six hundred ninety-seven".