1653140225 has 48 divisors (see below), whose sum is σ = 2303049024. Its totient is φ = 1166880000.

The previous prime is 1653140207. The next prime is 1653140227. The reversal of 1653140225 is 5220413561.

1653140225 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1653140225 - 2⁶ = 1653140161 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1653140227) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1471514 + ... + 1472636.

It is an arithmetic number, because the mean of its divisors is an integer number (47980188).

Almost surely, 2^1653140225 is an apocalyptic number.

It is an amenable number.

1653140225 is a deficient number, since it is larger than the sum of its proper divisors (649908799).

1653140225 is a wasteful number, since it uses less digits than its factorization.

1653140225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1298 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 1653140225 is about 40658.8271473735. The cubic root of 1653140225 is about 1182.4149110316.

Adding to 1653140225 its reverse (5220413561), we get a palindrome (6873553786).

The spelling of 1653140225 in words is "one billion, six hundred fifty-three million, one hundred forty thousand, two hundred twenty-five".