652556247 has 8 divisors (see below), whose sum is σ = 994371456. Its totient is φ = 372889272.

The previous prime is 652556227. The next prime is 652556249. The reversal of 652556247 is 742655256.

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

It is not a de Polignac number, because 652556247 - 2⁶ = 652556183 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 652556199 and 652556208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652556249) 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 7 ways as a sum of consecutive naturals, for example, 15537033 + ... + 15537074.

It is an arithmetic number, because the mean of its divisors is an integer number (124296432).

Almost surely, 2^652556247 is an apocalyptic number.

652556247 is a deficient number, since it is larger than the sum of its proper divisors (341815209).

652556247 is a wasteful number, since it uses less digits than its factorization.

652556247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31074117.

The product of its digits is 504000, while the sum is 42.

The square root of 652556247 is about 25545.1805043535. The cubic root of 652556247 is about 867.3731692872.

Subtracting 652556247 from its reverse (742655256), we obtain a palindrome (90099009).

The spelling of 652556247 in words is "six hundred fifty-two million, five hundred fifty-six thousand, two hundred forty-seven".