7522239253 has 4 divisors (see below), whose sum is σ = 7557889888. Its totient is φ = 7486588620.

The previous prime is 7522239181. The next prime is 7522239299. The reversal of 7522239253 is 3529322257.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7522239253 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 (7522239353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17825001 + ... + 17825422.

It is an arithmetic number, because the mean of its divisors is an integer number (1889472472).

Almost surely, 2^7522239253 is an apocalyptic number.

It is an amenable number.

7522239253 is a deficient number, since it is larger than the sum of its proper divisors (35650635).

7522239253 is a wasteful number, since it uses less digits than its factorization.

7522239253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35650634.

The product of its digits is 226800, while the sum is 40.

The square root of 7522239253 is about 86730.8437235566. The cubic root of 7522239253 is about 1959.3666609988.

The spelling of 7522239253 in words is "seven billion, five hundred twenty-two million, two hundred thirty-nine thousand, two hundred fifty-three".