13425332501 has 4 divisors (see below), whose sum is σ = 15343237152. Its totient is φ = 11507427852.

The previous prime is 13425332477. The next prime is 13425332563. The reversal of 13425332501 is 10523352431.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10523352431 = 61979 ⋅169789.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13425332501 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 (13425332201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 958952315 + ... + 958952328.

It is an arithmetic number, because the mean of its divisors is an integer number (3835809288).

Almost surely, 2^13425332501 is an apocalyptic number.

It is an amenable number.

13425332501 is a deficient number, since it is larger than the sum of its proper divisors (1917904651).

13425332501 is an equidigital number, since it uses as much as digits as its factorization.

13425332501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917904650.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 13425332501 its reverse (10523352431), we get a palindrome (23948684932).

The spelling of 13425332501 in words is "thirteen billion, four hundred twenty-five million, three hundred thirty-two thousand, five hundred one".