653642274 has 8 divisors (see below), whose sum is σ = 1307284560. Its totient is φ = 217880756.

The previous prime is 653642261. The next prime is 653642279. The reversal of 653642274 is 472246356.

653642274 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

653642274 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (653642279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54470184 + ... + 54470195.

It is an arithmetic number, because the mean of its divisors is an integer number (163410570).

Almost surely, 2^653642274 is an apocalyptic number.

653642274 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

653642274 is a wasteful number, since it uses less digits than its factorization.

653642274 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108940384.

The product of its digits is 241920, while the sum is 39.

The square root of 653642274 is about 25566.4286516518. The cubic root of 653642274 is about 867.8540824108.

The spelling of 653642274 in words is "six hundred fifty-three million, six hundred forty-two thousand, two hundred seventy-four".