653530745 has 32 divisors (see below), whose sum is σ = 998956800. Its totient is φ = 399568896.

The previous prime is 653530721. The next prime is 653530793. The reversal of 653530745 is 547035356.

It is a cyclic number.

It is not a de Polignac number, because 653530745 - 2⁸ = 653530489 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 653530699 and 653530708.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17600 + ... + 40209.

It is an arithmetic number, because the mean of its divisors is an integer number (31217400).

Almost surely, 2^653530745 is an apocalyptic number.

It is an amenable number.

653530745 is a deficient number, since it is larger than the sum of its proper divisors (345426055).

653530745 is a wasteful number, since it uses less digits than its factorization.

653530745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57857.

The product of its (nonzero) digits is 189000, while the sum is 38.

The square root of 653530745 is about 25564.2473974885. The cubic root of 653530745 is about 867.8047198327.

The spelling of 653530745 in words is "six hundred fifty-three million, five hundred thirty thousand, seven hundred forty-five".