153052225 has 6 divisors (see below), whose sum is σ = 189784790. Its totient is φ = 122441760.

The previous prime is 153052217. The next prime is 153052231. The reversal of 153052225 is 522250351.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 579121 + 152473104 = 761^2 + 12348^2 .

It is not a de Polignac number, because 153052225 - 2³ = 153052217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 6122089 = 153052225 / (1 + 5 + 3 + 0 + 5 + 2 + 2 + 2 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 153052225.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3061020 + ... + 3061069.

Almost surely, 2^153052225 is an apocalyptic number.

It is an amenable number.

153052225 is a deficient number, since it is larger than the sum of its proper divisors (36732565).

153052225 is an equidigital number, since it uses as much as digits as its factorization.

153052225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6122099 (or 6122094 counting only the distinct ones).

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

The square root of 153052225 is about 12371.4277672385. The cubic root of 153052225 is about 534.9089721974.

The spelling of 153052225 in words is "one hundred fifty-three million, fifty-two thousand, two hundred twenty-five".