7522492481 has 16 divisors (see below), whose sum is σ = 8679015168. Its totient is φ = 6386688000.

The previous prime is 7522492433. The next prime is 7522492487. The reversal of 7522492481 is 1842942257.

It is a de Polignac number, because none of the positive numbers 2^k-7522492481 is a prime.

It is a super-2 number, since 2×7522492481² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7522492487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363041 + ... + 383201.

It is an arithmetic number, because the mean of its divisors is an integer number (542438448).

Almost surely, 2^7522492481 is an apocalyptic number.

It is an amenable number.

7522492481 is a deficient number, since it is larger than the sum of its proper divisors (1156522687).

7522492481 is a wasteful number, since it uses less digits than its factorization.

7522492481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20672.

The product of its digits is 322560, while the sum is 44.

The square root of 7522492481 is about 86732.3035610147. The cubic root of 7522492481 is about 1959.3886474010.

The spelling of 7522492481 in words is "seven billion, five hundred twenty-two million, four hundred ninety-two thousand, four hundred eighty-one".