150665253 has 4 divisors (see below), whose sum is σ = 200887008. Its totient is φ = 100443500.

The previous prime is 150665243. The next prime is 150665261. The reversal of 150665253 is 352566051.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 352566051 = 3 ⋅117522017.

It is a cyclic number.

It is not a de Polignac number, because 150665253 - 2²⁵ = 117110821 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (150665213) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25110873 + ... + 25110878.

It is an arithmetic number, because the mean of its divisors is an integer number (50221752).

Almost surely, 2^150665253 is an apocalyptic number.

It is an amenable number.

150665253 is a deficient number, since it is larger than the sum of its proper divisors (50221755).

150665253 is an equidigital number, since it uses as much as digits as its factorization.

150665253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50221754.

The product of its (nonzero) digits is 27000, while the sum is 33.

The square root of 150665253 is about 12274.5775080041. The cubic root of 150665253 is about 532.1136115642.

The spelling of 150665253 in words is "one hundred fifty million, six hundred sixty-five thousand, two hundred fifty-three".