153313225 has 24 divisors (see below), whose sum is σ = 216783000. Its totient is φ = 106552320.

The previous prime is 153313207. The next prime is 153313229. The reversal of 153313225 is 522313351.

It can be written as a sum of positive squares in 12 ways, for example, as 64256256 + 89056969 = 8016^2 + 9437^2 .

It is not a de Polignac number, because 153313225 - 2⁹ = 153312713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 153313225.

It is not an unprimeable number, because it can be changed into a prime (153313229) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8350 + ... + 19399.

It is an arithmetic number, because the mean of its divisors is an integer number (9032625).

Almost surely, 2^153313225 is an apocalyptic number.

It is an amenable number.

153313225 is a deficient number, since it is larger than the sum of its proper divisors (63469775).

153313225 is a wasteful number, since it uses less digits than its factorization.

153313225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27789 (or 27784 counting only the distinct ones).

The product of its digits is 2700, while the sum is 25.

The square root of 153313225 is about 12381.9717735101. The cubic root of 153313225 is about 535.2128596606.

Adding to 153313225 its reverse (522313351), we get a palindrome (675626576).

The spelling of 153313225 in words is "one hundred fifty-three million, three hundred thirteen thousand, two hundred twenty-five".