652447971 has 24 divisors (see below), whose sum is σ = 1078128480. Its totient is φ = 372456576.

The previous prime is 652447963. The next prime is 652447993. The reversal of 652447971 is 179744256.

652447971 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 652447971 - 2³ = 652447963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (652447921) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66541 + ... + 75713.

It is an arithmetic number, because the mean of its divisors is an integer number (44922020).

Almost surely, 2^652447971 is an apocalyptic number.

652447971 is a deficient number, since it is larger than the sum of its proper divisors (425680509).

652447971 is a wasteful number, since it uses less digits than its factorization.

652447971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10315 (or 10312 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 652447971 is about 25543.0611125605. The cubic root of 652447971 is about 867.3251934013.

The spelling of 652447971 in words is "six hundred fifty-two million, four hundred forty-seven thousand, nine hundred seventy-one".