653374523 has 4 divisors (see below), whose sum is σ = 657024840. Its totient is φ = 649724208.

The previous prime is 653374517. The next prime is 653374531. The reversal of 653374523 is 325473356.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 653374523 - 2⁶ = 653374459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (653374123) 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 3 ways as a sum of consecutive naturals, for example, 1824890 + ... + 1825247.

It is an arithmetic number, because the mean of its divisors is an integer number (164256210).

Almost surely, 2^653374523 is an apocalyptic number.

653374523 is a deficient number, since it is larger than the sum of its proper divisors (3650317).

653374523 is a wasteful number, since it uses less digits than its factorization.

653374523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650316.

The product of its digits is 226800, while the sum is 38.

The square root of 653374523 is about 25561.1917366933. The cubic root of 653374523 is about 867.7355667521.

The spelling of 653374523 in words is "six hundred fifty-three million, three hundred seventy-four thousand, five hundred twenty-three".