653065247 has 4 divisors (see below), whose sum is σ = 654429120. Its totient is φ = 651701376.

The previous prime is 653065241. The next prime is 653065249. The reversal of 653065247 is 742560356.

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 653065247 - 2¹⁸ = 652803103 is a prime.

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 653065247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (653065241) 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, 681218 + ... + 682175.

It is an arithmetic number, because the mean of its divisors is an integer number (163607280).

Almost surely, 2^653065247 is an apocalyptic number.

653065247 is a deficient number, since it is larger than the sum of its proper divisors (1363873).

653065247 is a wasteful number, since it uses less digits than its factorization.

653065247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363872.

The product of its (nonzero) digits is 151200, while the sum is 38.

The square root of 653065247 is about 25555.1413026811. The cubic root of 653065247 is about 867.5986304156.

The spelling of 653065247 in words is "six hundred fifty-three million, sixty-five thousand, two hundred forty-seven".