165250333 has 4 divisors (see below), whose sum is σ = 169093408. Its totient is φ = 161407260.

The previous prime is 165250307. The next prime is 165250339. The reversal of 165250333 is 333052561.

165250333 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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.

It is a cyclic number.

It is not a de Polignac number, because 165250333 - 2¹³ = 165242141 is a prime.

It is a super-2 number, since 2×165250333² = 54615345113221778, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (165250339) 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, 1921473 + ... + 1921558.

It is an arithmetic number, because the mean of its divisors is an integer number (42273352).

Almost surely, 2^165250333 is an apocalyptic number.

It is an amenable number.

165250333 is a deficient number, since it is larger than the sum of its proper divisors (3843075).

165250333 is an equidigital number, since it uses as much as digits as its factorization.

165250333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3843074.

The product of its (nonzero) digits is 8100, while the sum is 28.

The square root of 165250333 is about 12854.9730843748. The cubic root of 165250333 is about 548.7578944940.

The spelling of 165250333 in words is "one hundred sixty-five million, two hundred fifty thousand, three hundred thirty-three".