153213305 has 16 divisors (see below), whose sum is σ = 210362880. Its totient is φ = 104939712.

The previous prime is 153213289. The next prime is 153213323. The reversal of 153213305 is 503312351.

153213305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 153213305 - 2⁴ = 153213289 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 37136 + ... + 41054.

It is an arithmetic number, because the mean of its divisors is an integer number (13147680).

Almost surely, 2^153213305 is an apocalyptic number.

It is an amenable number.

153213305 is a deficient number, since it is larger than the sum of its proper divisors (57149575).

153213305 is a wasteful number, since it uses less digits than its factorization.

153213305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5048.

The product of its (nonzero) digits is 1350, while the sum is 23.

The square root of 153213305 is about 12377.9362173183. The cubic root of 153213305 is about 535.0965616023.

Adding to 153213305 its reverse (503312351), we get a palindrome (656525656).

The spelling of 153213305 in words is "one hundred fifty-three million, two hundred thirteen thousand, three hundred five".