150209893 has 2 divisors, whose sum is σ = 150209894. Its totient is φ = 150209892.

The previous prime is 150209887. The next prime is 150209903. The reversal of 150209893 is 398902051.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126180289 + 24029604 = 11233^2 + 4902^2 .

It is an emirp because it is prime and its reverse (398902051) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 150209893 - 2⁵ = 150209861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (150209863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75104946 + 75104947.

It is an arithmetic number, because the mean of its divisors is an integer number (75104947).

Almost surely, 2^150209893 is an apocalyptic number.

It is an amenable number.

150209893 is a deficient number, since it is larger than the sum of its proper divisors (1).

150209893 is an equidigital number, since it uses as much as digits as its factorization.

150209893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 150209893 is about 12256.0145642864. The cubic root of 150209893 is about 531.5769964151.

The spelling of 150209893 in words is "one hundred fifty million, two hundred nine thousand, eight hundred ninety-three".