13406413325 has 6 divisors (see below), whose sum is σ = 16623952554. Its totient is φ = 10725130640.

The previous prime is 13406413301. The next prime is 13406413337. The reversal of 13406413325 is 52331460431.

It can be written as a sum of positive squares in 3 ways, for example, as 3255044809 + 10151368516 = 57053^2 + 100754^2 .

It is not a de Polignac number, because 13406413325 - 2¹² = 13406409229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13406413291 and 13406413300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 268128242 + ... + 268128291.

It is an arithmetic number, because the mean of its divisors is an integer number (2770658759).

Almost surely, 2^13406413325 is an apocalyptic number.

It is an amenable number.

13406413325 is a deficient number, since it is larger than the sum of its proper divisors (3217539229).

13406413325 is an equidigital number, since it uses as much as digits as its factorization.

13406413325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536256543 (or 536256538 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

Adding to 13406413325 its reverse (52331460431), we get a palindrome (65737873756).

The spelling of 13406413325 in words is "thirteen billion, four hundred six million, four hundred thirteen thousand, three hundred twenty-five".