190530225 has 72 divisors (see below), whose sum is σ = 359282560. Its totient is φ = 100077120.

The previous prime is 190530209. The next prime is 190530227. The reversal of 190530225 is 522035091.

190530225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 190530225 - 2⁴ = 190530209 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (190530227) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 479727 + ... + 480123.

Almost surely, 2^190530225 is an apocalyptic number.

190530225 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

190530225 is a deficient number, since it is larger than the sum of its proper divisors (168752335).

190530225 is an equidigital number, since it uses as much as digits as its factorization.

190530225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 190530225 is about 13803.2686346387. The cubic root of 190530225 is about 575.4239847083.

The spelling of 190530225 in words is "one hundred ninety million, five hundred thirty thousand, two hundred twenty-five".