33125500213 has 12 divisors (see below), whose sum is σ = 37026715008. Its totient is φ = 29591012880.

The previous prime is 33125500181. The next prime is 33125500237. The reversal of 33125500213 is 31200552133.

It is not a de Polignac number, because 33125500213 - 2⁵ = 33125500181 is a prime.

It is a super-2 number, since 2×33125500213² (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 (33125500273) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3156195 + ... + 3166672.

It is an arithmetic number, because the mean of its divisors is an integer number (3085559584).

Almost surely, 2^33125500213 is an apocalyptic number.

It is an amenable number.

33125500213 is a deficient number, since it is larger than the sum of its proper divisors (3901214795).

33125500213 is a wasteful number, since it uses less digits than its factorization.

33125500213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6322924 (or 6322911 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The spelling of 33125500213 in words is "thirty-three billion, one hundred twenty-five million, five hundred thousand, two hundred thirteen".