653470925 has 6 divisors (see below), whose sum is σ = 810303978. Its totient is φ = 522776720.

The previous prime is 653470921. The next prime is 653470927. The reversal of 653470925 is 529074356.

It can be written as a sum of positive squares in 3 ways, for example, as 173554276 + 479916649 = 13174^2 + 21907^2 .

It is not a de Polignac number, because 653470925 - 2² = 653470921 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653470921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13069394 + ... + 13069443.

It is an arithmetic number, because the mean of its divisors is an integer number (135050663).

Almost surely, 2^653470925 is an apocalyptic number.

It is an amenable number.

653470925 is a deficient number, since it is larger than the sum of its proper divisors (156833053).

653470925 is a wasteful number, since it uses less digits than its factorization.

653470925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26138847 (or 26138842 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 41.

The square root of 653470925 is about 25563.0773773425. The cubic root of 653470925 is about 867.7782412710.

The spelling of 653470925 in words is "six hundred fifty-three million, four hundred seventy thousand, nine hundred twenty-five".