13043252501 has 8 divisors (see below), whose sum is σ = 13069296600. Its totient is φ = 13017231360.

The previous prime is 13043252489. The next prime is 13043252513. The reversal of 13043252501 is 10525234031.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13043252489) and next prime (13043252513).

It can be written as a sum of positive squares in 4 ways, for example, as 805140625 + 12238111876 = 28375^2 + 110626^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13043252501 - 2¹⁰ = 13043251477 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 (13043252561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1505141 + ... + 1513781.

It is an arithmetic number, because the mean of its divisors is an integer number (1633662075).

Almost surely, 2^13043252501 is an apocalyptic number.

It is an amenable number.

13043252501 is a deficient number, since it is larger than the sum of its proper divisors (26044099).

13043252501 is an equidigital number, since it uses as much as digits as its factorization.

13043252501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11479.

The product of its (nonzero) digits is 3600, while the sum is 26.

Adding to 13043252501 its reverse (10525234031), we get a palindrome (23568486532).

The spelling of 13043252501 in words is "thirteen billion, forty-three million, two hundred fifty-two thousand, five hundred one".