13321025401 has 4 divisors (see below), whose sum is σ = 13390046452. Its totient is φ = 13252004352.

The previous prime is 13321025383. The next prime is 13321025411. The reversal of 13321025401 is 10452012331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10452012331 = 347 ⋅30121073.

It can be written as a sum of positive squares in 2 ways, for example, as 9389610000 + 3931415401 = 96900^2 + 62701^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321025401 - 2⁷ = 13321025273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13321025411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34510236 + ... + 34510621.

It is an arithmetic number, because the mean of its divisors is an integer number (3347511613).

Almost surely, 2^13321025401 is an apocalyptic number.

It is an amenable number.

13321025401 is a deficient number, since it is larger than the sum of its proper divisors (69021051).

13321025401 is an equidigital number, since it uses as much as digits as its factorization.

13321025401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69021050.

The product of its (nonzero) digits is 720, while the sum is 22.

Adding to 13321025401 its reverse (10452012331), we get a palindrome (23773037732).

The spelling of 13321025401 in words is "thirteen billion, three hundred twenty-one million, twenty-five thousand, four hundred one".