3453213245 has 4 divisors (see below), whose sum is σ = 4143855900. Its totient is φ = 2762570592.

The previous prime is 3453213173. The next prime is 3453213259. The reversal of 3453213245 is 5423123543.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1963021636 + 1490191609 = 44306^2 + 38603^2 .

It is a cyclic number.

It is not a de Polignac number, because 3453213245 - 2¹⁸ = 3452951101 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345321320 + ... + 345321329.

It is an arithmetic number, because the mean of its divisors is an integer number (1035963975).

Almost surely, 2^3453213245 is an apocalyptic number.

It is an amenable number.

3453213245 is a deficient number, since it is larger than the sum of its proper divisors (690642655).

3453213245 is an equidigital number, since it uses as much as digits as its factorization.

3453213245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690642654.

The product of its digits is 43200, while the sum is 32.

The square root of 3453213245 is about 58764.0472142619. The cubic root of 3453213245 is about 1511.4987742912.

Adding to 3453213245 its reverse (5423123543), we get a palindrome (8876336788).

The spelling of 3453213245 in words is "three billion, four hundred fifty-three million, two hundred thirteen thousand, two hundred forty-five".