3513206225 has 6 divisors (see below), whose sum is σ = 4356375750. Its totient is φ = 2810564960.

The previous prime is 3513206219. The next prime is 3513206227. The reversal of 3513206225 is 5226023153.

3513206225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 626400784 + 2886805441 = 25028^2 + 53729^2 .

It is not a de Polignac number, because 3513206225 - 2⁴ = 3513206209 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3513206227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 70264100 + ... + 70264149.

It is an arithmetic number, because the mean of its divisors is an integer number (726062625).

Almost surely, 2^3513206225 is an apocalyptic number.

It is an amenable number.

3513206225 is a deficient number, since it is larger than the sum of its proper divisors (843169525).

3513206225 is a wasteful number, since it uses less digits than its factorization.

3513206225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140528259 (or 140528254 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 3513206225 is about 59272.3057169198. The cubic root of 3513206225 is about 1520.2017023709.

Adding to 3513206225 its reverse (5226023153), we get a palindrome (8739229378).

The spelling of 3513206225 in words is "three billion, five hundred thirteen million, two hundred six thousand, two hundred twenty-five".