4213450203525 has 18 divisors (see below), whose sum is σ = 7546757476050. Its totient is φ = 2247173441760.

The previous prime is 4213450203449. The next prime is 4213450203527. The reversal of 4213450203525 is 5253020543124.

4213450203525 is a `hidden beast` number, since 421 + 3 + 4 + 5 + 0 + 203 + 5 + 25 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 81625632804 + 4131824570721 = 285702^2 + 2032689^2 .

It is not a de Polignac number, because 4213450203525 - 2⁷ = 4213450203397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4213450203525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213450203527) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 9363222450 + ... + 9363222899.

It is an arithmetic number, because the mean of its divisors is an integer number (419264304225).

Almost surely, 2^{4213450203525} is an apocalyptic number.

4213450203525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4213450203525 is a deficient number, since it is larger than the sum of its proper divisors (3333307272525).

4213450203525 is a wasteful number, since it uses less digits than its factorization.

4213450203525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18726445365 (or 18726445357 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 36.

Adding to 4213450203525 its reverse (5253020543124), we get a palindrome (9466470746649).

The spelling of 4213450203525 in words is "four trillion, two hundred thirteen billion, four hundred fifty million, two hundred three thousand, five hundred twenty-five".