13033225525 has 24 divisors (see below), whose sum is σ = 17119027080. Its totient is φ = 9809141760.

The previous prime is 13033225507. The next prime is 13033225529. The reversal of 13033225525 is 52552233031.

It can be written as a sum of positive squares in 12 ways, for example, as 173211921 + 12860013604 = 13161^2 + 113402^2 .

It is not a de Polignac number, because 13033225525 - 2⁷ = 13033225397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13033225529) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1341987 + ... + 1351663.

It is an arithmetic number, because the mean of its divisors is an integer number (713292795).

Almost surely, 2^13033225525 is an apocalyptic number.

It is an amenable number.

13033225525 is a deficient number, since it is larger than the sum of its proper divisors (4085801555).

13033225525 is a wasteful number, since it uses less digits than its factorization.

13033225525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12873 (or 12868 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 13033225525 its reverse (52552233031), we get a palindrome (65585458556).

The spelling of 13033225525 in words is "thirteen billion, thirty-three million, two hundred twenty-five thousand, five hundred twenty-five".