652651471 has 4 divisors (see below), whose sum is σ = 691042752. Its totient is φ = 614260192.

The previous prime is 652651459. The next prime is 652651477. The reversal of 652651471 is 174156256.

It is a happy number.

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 652651471 - 2⁹ = 652650959 is a prime.

It is a super-3 number, since 3×652651471³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 652651471.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652651477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19195615 + ... + 19195648.

It is an arithmetic number, because the mean of its divisors is an integer number (172760688).

Almost surely, 2^652651471 is an apocalyptic number.

652651471 is a deficient number, since it is larger than the sum of its proper divisors (38391281).

652651471 is a wasteful number, since it uses less digits than its factorization.

652651471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38391280.

The product of its digits is 50400, while the sum is 37.

The square root of 652651471 is about 25547.0442713047. The cubic root of 652651471 is about 867.4153575919.

The spelling of 652651471 in words is "six hundred fifty-two million, six hundred fifty-one thousand, four hundred seventy-one".