210345503220325 has 24 divisors (see below), whose sum is σ = 291480101329536. Its totient is φ = 149247363696000.

The previous prime is 210345503220299. The next prime is 210345503220367. The reversal of 210345503220325 is 523022305543012.

It is not a de Polignac number, because 210345503220325 - 2¹⁵ = 210345503187557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9327948957 + ... + 9327971506.

It is an arithmetic number, because the mean of its divisors is an integer number (12145004222064).

Almost surely, 2^{210345503220325} is an apocalyptic number.

210345503220325 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

210345503220325 is a deficient number, since it is larger than the sum of its proper divisors (81134598109211).

210345503220325 is a wasteful number, since it uses less digits than its factorization.

210345503220325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18655920525 (or 18655920520 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 210345503220325 its reverse (523022305543012), we get a palindrome (733367808763337).

The spelling of 210345503220325 in words is "two hundred ten trillion, three hundred forty-five billion, five hundred three million, two hundred twenty thousand, three hundred twenty-five".