150609973 has 2 divisors, whose sum is σ = 150609974. Its totient is φ = 150609972.

The previous prime is 150609971. The next prime is 150609989. The reversal of 150609973 is 379906051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148425489 + 2184484 = 12183^2 + 1478^2 .

It is a cyclic number.

It is not a de Polignac number, because 150609973 - 2¹ = 150609971 is a prime.

Together with 150609971, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150609971) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75304986 + 75304987.

It is an arithmetic number, because the mean of its divisors is an integer number (75304987).

Almost surely, 2^150609973 is an apocalyptic number.

It is an amenable number.

150609973 is a deficient number, since it is larger than the sum of its proper divisors (1).

150609973 is an equidigital number, since it uses as much as digits as its factorization.

150609973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 150609973 is about 12272.3254927499. The cubic root of 150609973 is about 532.0485250271.

The spelling of 150609973 in words is "one hundred fifty million, six hundred nine thousand, nine hundred seventy-three".