653219474 has 8 divisors (see below), whose sum is σ = 983174220. Its totient is φ = 325494736.

The previous prime is 653219471. The next prime is 653219477. The reversal of 653219474 is 474912356.

It is an interprime number because it is at equal distance from previous prime (653219471) and next prime (653219477).

It can be written as a sum of positive squares in 2 ways, for example, as 547232449 + 105987025 = 23393^2 + 10295^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (653219471) 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, 556769 + ... + 557940.

Almost surely, 2^653219474 is an apocalyptic number.

653219474 is a deficient number, since it is larger than the sum of its proper divisors (329954746).

653219474 is a wasteful number, since it uses less digits than its factorization.

653219474 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115004.

The product of its digits is 181440, while the sum is 41.

The square root of 653219474 is about 25558.1586582445. The cubic root of 653219474 is about 867.6669220106. Note that the first 3 decimals are identical.

The spelling of 653219474 in words is "six hundred fifty-three million, two hundred nineteen thousand, four hundred seventy-four".