153533225 has 12 divisors (see below), whose sum is σ = 190566300. Its totient is φ = 122707200.

The previous prime is 153533207. The next prime is 153533267. The reversal of 153533225 is 522335351.

153533225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 26925721 + 126607504 = 5189^2 + 11252^2 .

It is not a de Polignac number, because 153533225 - 2¹⁴ = 153516841 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30701 + ... + 35349.

It is an arithmetic number, because the mean of its divisors is an integer number (15880525).

Almost surely, 2^153533225 is an apocalyptic number.

It is an amenable number.

153533225 is a deficient number, since it is larger than the sum of its proper divisors (37033075).

153533225 is a wasteful number, since it uses less digits than its factorization.

153533225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5980 (or 5975 counting only the distinct ones).

The product of its digits is 13500, while the sum is 29.

The square root of 153533225 is about 12390.8524726913. The cubic root of 153533225 is about 535.4687422454.

Adding to 153533225 its reverse (522335351), we get a palindrome (675868576).

The spelling of 153533225 in words is "one hundred fifty-three million, five hundred thirty-three thousand, two hundred twenty-five".