652137247 has 8 divisors (see below), whose sum is σ = 705014000. Its totient is φ = 601115904.

The previous prime is 652137217. The next prime is 652137259. The reversal of 652137247 is 742731256.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-652137247 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (652137217) 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, 463122 + ... + 464527.

It is an arithmetic number, because the mean of its divisors is an integer number (88126750).

Almost surely, 2^652137247 is an apocalyptic number.

652137247 is a deficient number, since it is larger than the sum of its proper divisors (52876753).

652137247 is a wasteful number, since it uses less digits than its factorization.

652137247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927705.

The product of its digits is 70560, while the sum is 37.

The square root of 652137247 is about 25536.9780318659. The cubic root of 652137247 is about 867.1874855896.

It can be divided in two parts, 65 and 2137247, that added together give a palindrome (2137312).

The spelling of 652137247 in words is "six hundred fifty-two million, one hundred thirty-seven thousand, two hundred forty-seven".