7425173522 has 54 divisors (see below), whose sum is σ = 12461730687. Its totient is φ = 3316596192.

The previous prime is 7425173507. The next prime is 7425173549. The reversal of 7425173522 is 2253715247.

It can be written as a sum of positive squares in 5 ways, for example, as 2348468521 + 5076705001 = 48461^2 + 71251^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=60931.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 68120804 + ... + 68120912.

Almost surely, 2^7425173522 is an apocalyptic number.

7425173522 is a deficient number, since it is larger than the sum of its proper divisors (5036557165).

7425173522 is a wasteful number, since it uses less digits than its factorization.

7425173522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332 (or 167 counting only the distinct ones).

The product of its digits is 117600, while the sum is 38.

The square root of 7425173522 is about 86169.4465689551. The cubic root of 7425173522 is about 1950.9023675479.

Adding to 7425173522 its reverse (2253715247), we get a palindrome (9678888769).

The spelling of 7425173522 in words is "seven billion, four hundred twenty-five million, one hundred seventy-three thousand, five hundred twenty-two".