7253615352 has 128 divisors (see below), whose sum is σ = 19874211840. Its totient is φ = 2196234240.

The previous prime is 7253615323. The next prime is 7253615353. The reversal of 7253615352 is 2535163527.

It is a super-2 number, since 2×7253615352² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7253615352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7253615353) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7423888 + ... + 7424864.

It is an arithmetic number, because the mean of its divisors is an integer number (155267280).

Almost surely, 2^7253615352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7253615352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9937105920).

7253615352 is an abundant number, since it is smaller than the sum of its proper divisors (12620596488).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7253615352 is a wasteful number, since it uses less digits than its factorization.

7253615352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1621 (or 1617 counting only the distinct ones).

The product of its digits is 189000, while the sum is 39.

The square root of 7253615352 is about 85168.1592615456. The cubic root of 7253615352 is about 1935.7599813720.

Adding to 7253615352 its reverse (2535163527), we get a palindrome (9788778879).

The spelling of 7253615352 in words is "seven billion, two hundred fifty-three million, six hundred fifteen thousand, three hundred fifty-two".