13340506525 has 12 divisors (see below), whose sum is σ = 16543792692. Its totient is φ = 10671395840.

The previous prime is 13340506493. The next prime is 13340506583. The reversal of 13340506525 is 52560504331.

It can be written as a sum of positive squares in 6 ways, for example, as 114126489 + 13226380036 = 10683^2 + 115006^2 .

It is not a de Polignac number, because 13340506525 - 2⁵ = 13340506493 is a prime.

It is a super-2 number, since 2×13340506525² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 359229 + ... + 394621.

It is an arithmetic number, because the mean of its divisors is an integer number (1378649391).

Almost surely, 2^13340506525 is an apocalyptic number.

It is an amenable number.

13340506525 is a deficient number, since it is larger than the sum of its proper divisors (3203286167).

13340506525 is a wasteful number, since it uses less digits than its factorization.

13340506525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50480 (or 50475 counting only the distinct ones).

The product of its (nonzero) digits is 54000, while the sum is 34.

The spelling of 13340506525 in words is "thirteen billion, three hundred forty million, five hundred six thousand, five hundred twenty-five".