33125252213 has 32 divisors (see below), whose sum is σ = 36410572800. Its totient is φ = 30019636800.

The previous prime is 33125252207. The next prime is 33125252231. The reversal of 33125252213 is 31225252133.

It is a cyclic number.

It is not a de Polignac number, because 33125252213 - 2¹⁸ = 33124990069 is a prime.

It is a super-2 number, since 2×33125252213² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33125252203) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22186295 + ... + 22187787.

It is an arithmetic number, because the mean of its divisors is an integer number (1137830400).

Almost surely, 2^33125252213 is an apocalyptic number.

It is an amenable number.

33125252213 is a deficient number, since it is larger than the sum of its proper divisors (3285320587).

33125252213 is a wasteful number, since it uses less digits than its factorization.

33125252213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1953.

The product of its digits is 10800, while the sum is 29.

It can be divided in two parts, 3312 and 5252213, that added together give a palindrome (5255525).

The spelling of 33125252213 in words is "thirty-three billion, one hundred twenty-five million, two hundred fifty-two thousand, two hundred thirteen".