213335550025 has 24 divisors (see below), whose sum is σ = 284926754840. Its totient is φ = 157517015040.

The previous prime is 213335549989. The next prime is 213335550061. The reversal of 213335550025 is 520055533312.

It is an interprime number because it is at equal distance from previous prime (213335549989) and next prime (213335550061).

It can be written as a sum of positive squares in 12 ways, for example, as 81074589696 + 132260960329 = 284736^2 + 363677^2 .

It is a de Polignac number, because none of the positive numbers 2^k-213335550025 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2358331 + ... + 2447119.

Almost surely, 2^213335550025 is an apocalyptic number.

213335550025 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

213335550025 is a deficient number, since it is larger than the sum of its proper divisors (71591204815).

213335550025 is a wasteful number, since it uses less digits than its factorization.

213335550025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96205 (or 96200 counting only the distinct ones).

The product of its (nonzero) digits is 67500, while the sum is 34.

The spelling of 213335550025 in words is "two hundred thirteen billion, three hundred thirty-five million, five hundred fifty thousand, twenty-five".