153025225 has 12 divisors (see below), whose sum is σ = 189987840. Its totient is φ = 122267600.

The previous prime is 153025219. The next prime is 153025237. The reversal of 153025225 is 522520351.

It is a happy number.

It is not a de Polignac number, because 153025225 - 2³ = 153025217 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 153025225.

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, 19416 + ... + 26134.

It is an arithmetic number, because the mean of its divisors is an integer number (15832320).

Almost surely, 2^153025225 is an apocalyptic number.

It is an amenable number.

153025225 is a deficient number, since it is larger than the sum of its proper divisors (36962615).

153025225 is an equidigital number, since it uses as much as digits as its factorization.

153025225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7640 (or 7635 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 153025225 is about 12370.3364950190. The cubic root of 153025225 is about 534.8775158506.

Adding to 153025225 its reverse (522520351), we get a palindrome (675545576).

The spelling of 153025225 in words is "one hundred fifty-three million, twenty-five thousand, two hundred twenty-five".