7522613289 has 45 divisors (see below), whose sum is σ = 11775416653. Its totient is φ = 4785580008.

The previous prime is 7522613261. The next prime is 7522613327. The reversal of 7522613289 is 9823162257.

The square root of 7522613289 is 86733.

It is a perfect power (a square), and thus also a powerful number.

7522613289 is a `hidden beast` number, since 7 + 5 + 2 + 2 + 613 + 28 + 9 = 666.

It is not a de Polignac number, because 7522613289 - 2⁵ = 7522613257 is a prime.

It is a Duffinian number.

Its product of digits (362880) is a multiple of the sum of its prime factors (896).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7522613239) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 17953522 + ... + 17953940.

Almost surely, 2^7522613289 is an apocalyptic number.

7522613289 is the 86733-rd square number.

7522613289 is the 43367-th centered octagonal number.

It is an amenable number.

7522613289 is a deficient number, since it is larger than the sum of its proper divisors (4252803364).

7522613289 is an frugal number, since it uses more digits than its factorization.

7522613289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896 (or 445 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The cubic root of 7522613289 is about 1959.3991363250.

It can be divided in two parts, 752 and 2613289, that added together give a triangular number (2614041 = T₂₂₈₆).

The spelling of 7522613289 in words is "seven billion, five hundred twenty-two million, six hundred thirteen thousand, two hundred eighty-nine".