7252556653 has 8 divisors (see below), whose sum is σ = 7321347000. Its totient is φ = 7183807488.

The previous prime is 7252556593. The next prime is 7252556659. The reversal of 7252556653 is 3566552527.

It can be written as a sum of positive squares in 4 ways, for example, as 2993950089 + 4258606564 = 54717^2 + 65258^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7252556653 - 2²¹ = 7250459501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7252556659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433125 + ... + 449557.

It is an arithmetic number, because the mean of its divisors is an integer number (915168375).

Almost surely, 2^7252556653 is an apocalyptic number.

It is an amenable number.

7252556653 is a deficient number, since it is larger than the sum of its proper divisors (68790347).

7252556653 is a wasteful number, since it uses less digits than its factorization.

With its predecessor (7252556652) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (20591).

7252556653 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20591.

The product of its digits is 1890000, while the sum is 46.

The square root of 7252556653 is about 85161.9436896552. The cubic root of 7252556653 is about 1935.6657990564.

The spelling of 7252556653 in words is "seven billion, two hundred fifty-two million, five hundred fifty-six thousand, six hundred fifty-three".