13225035021 has 8 divisors (see below), whose sum is σ = 19236414624. Its totient is φ = 8015172720.

The previous prime is 13225034971. The next prime is 13225035049. The reversal of 13225035021 is 12053052231.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13225035021 - 2¹⁴ = 13225018637 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 13225034982 and 13225035000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13225035221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200379286 + ... + 200379351.

It is an arithmetic number, because the mean of its divisors is an integer number (2404551828).

Almost surely, 2^13225035021 is an apocalyptic number.

13225035021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13225035021 is a deficient number, since it is larger than the sum of its proper divisors (6011379603).

13225035021 is a wasteful number, since it uses less digits than its factorization.

13225035021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400758651.

The product of its (nonzero) digits is 1800, while the sum is 24.

Adding to 13225035021 its reverse (12053052231), we get a palindrome (25278087252).

The spelling of 13225035021 in words is "thirteen billion, two hundred twenty-five million, thirty-five thousand, twenty-one".