653505470 has 16 divisors (see below), whose sum is σ = 1208102688. Its totient is φ = 254337120.

The previous prime is 653505407. The next prime is 653505473. The reversal of 653505470 is 74505356.

It is a self number, because there is not a number n which added to its sum of digits gives 653505470.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653505473) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882746 + ... + 883485.

It is an arithmetic number, because the mean of its divisors is an integer number (75506418).

Almost surely, 2^653505470 is an apocalyptic number.

653505470 is a deficient number, since it is larger than the sum of its proper divisors (554597218).

653505470 is a wasteful number, since it uses less digits than its factorization.

653505470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1766275.

The product of its (nonzero) digits is 63000, while the sum is 35.

The square root of 653505470 is about 25563.7530499729. The cubic root of 653505470 is about 867.7935323727.

The spelling of 653505470 in words is "six hundred fifty-three million, five hundred five thousand, four hundred seventy".