653505434 has 8 divisors (see below), whose sum is σ = 980585760. Its totient is φ = 326643516.

The previous prime is 653505407. The next prime is 653505473. The reversal of 653505434 is 434505356.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 653505394 and 653505403.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46904 + ... + 59219.

It is an arithmetic number, because the mean of its divisors is an integer number (122573220).

Almost surely, 2^653505434 is an apocalyptic number.

653505434 is a deficient number, since it is larger than the sum of its proper divisors (327080326).

653505434 is a wasteful number, since it uses less digits than its factorization.

653505434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109204.

The product of its (nonzero) digits is 108000, while the sum is 35.

The square root of 653505434 is about 25563.7523458510. The cubic root of 653505434 is about 867.7935164379.

The spelling of 653505434 in words is "six hundred fifty-three million, five hundred five thousand, four hundred thirty-four".