13524642532 has 6 divisors (see below), whose sum is σ = 23668124438. Its totient is φ = 6762321264.

The previous prime is 13524642499. The next prime is 13524642557. The reversal of 13524642532 is 23524642531.

It can be written as a sum of positive squares in only one way, i.e., 12264676516 + 1259966016 = 110746^2 + 35496^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13524642491 and 13524642500.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1690580313 + ... + 1690580320.

Almost surely, 2^13524642532 is an apocalyptic number.

It is an amenable number.

13524642532 is a deficient number, since it is larger than the sum of its proper divisors (10143481906).

13524642532 is a wasteful number, since it uses less digits than its factorization.

13524642532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3381160637 (or 3381160635 counting only the distinct ones).

The product of its digits is 172800, while the sum is 37.

Subtracting 13524642532 from its reverse (23524642531), we obtain a palindrome (9999999999).

The spelling of 13524642532 in words is "thirteen billion, five hundred twenty-four million, six hundred forty-two thousand, five hundred thirty-two".