213825741245 has 16 divisors (see below), whose sum is σ = 259267613808. Its totient is φ = 169276538880.

The previous prime is 213825741197. The next prime is 213825741263. The reversal of 213825741245 is 542147528312.

It can be written as a sum of positive squares in 8 ways, for example, as 8669285881 + 205156455364 = 93109^2 + 452942^2 .

It is not a de Polignac number, because 213825741245 - 2¹⁶ = 213825675709 is a prime.

It is a super-3 number, since 3×213825741245³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213825741196 and 213825741205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4914185 + ... + 4957505.

It is an arithmetic number, because the mean of its divisors is an integer number (16204225863).

Almost surely, 2^213825741245 is an apocalyptic number.

It is an amenable number.

213825741245 is a deficient number, since it is larger than the sum of its proper divisors (45441872563).

213825741245 is a wasteful number, since it uses less digits than its factorization.

213825741245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53600.

The product of its digits is 537600, while the sum is 44.

The spelling of 213825741245 in words is "two hundred thirteen billion, eight hundred twenty-five million, seven hundred forty-one thousand, two hundred forty-five".