1353213203225 has 12 divisors (see below), whose sum is σ = 1807060093356. Its totient is φ = 999295903680.

The previous prime is 1353213203219. The next prime is 1353213203273. The reversal of 1353213203225 is 5223023123531.

It can be written as a sum of positive squares in 6 ways, for example, as 342426269584 + 1010786933641 = 585172^2 + 1005379^2 .

It is not a de Polignac number, because 1353213203225 - 2¹⁸ = 1353212941081 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1353213203191 and 1353213203200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2081866142 + ... + 2081866791.

It is an arithmetic number, because the mean of its divisors is an integer number (150588341113).

Almost surely, 2^{1353213203225} is an apocalyptic number.

It is an amenable number.

1353213203225 is a deficient number, since it is larger than the sum of its proper divisors (453846890131).

1353213203225 is a wasteful number, since it uses less digits than its factorization.

1353213203225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4163732956 (or 4163732951 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 1353213203225 its reverse (5223023123531), we get a palindrome (6576236326756).

The spelling of 1353213203225 in words is "one trillion, three hundred fifty-three billion, two hundred thirteen million, two hundred three thousand, two hundred twenty-five".