150662021 has 2 divisors, whose sum is σ = 150662022. Its totient is φ = 150662020.

The previous prime is 150662011. The next prime is 150662023. The reversal of 150662021 is 120266051.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91202500 + 59459521 = 9550^2 + 7711^2 .

It is a cyclic number.

It is not a de Polignac number, because 150662021 - 2²⁶ = 83553157 is a prime.

Together with 150662023, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150662023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75331010 + 75331011.

It is an arithmetic number, because the mean of its divisors is an integer number (75331011).

Almost surely, 2^150662021 is an apocalyptic number.

It is an amenable number.

150662021 is a deficient number, since it is larger than the sum of its proper divisors (1).

150662021 is an equidigital number, since it uses as much as digits as its factorization.

150662021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 150662021 is about 12274.4458530721. The cubic root of 150662021 is about 532.1098066535.

The spelling of 150662021 in words is "one hundred fifty million, six hundred sixty-two thousand, twenty-one".