3478511225 has 18 divisors (see below), whose sum is σ = 5017576734. Its totient is φ = 2385264000.

The previous prime is 3478511177. The next prime is 3478511297. The reversal of 3478511225 is 5221158743.

It can be written as a sum of positive squares in 3 ways, for example, as 917847616 + 2560663609 = 30296^2 + 50603^2 .

It is not a de Polignac number, because 3478511225 - 2¹⁶ = 3478445689 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1418576 + ... + 1421025.

It is an arithmetic number, because the mean of its divisors is an integer number (278754263).

Almost surely, 2^3478511225 is an apocalyptic number.

3478511225 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3478511225 is a deficient number, since it is larger than the sum of its proper divisors (1539065509).

3478511225 is a wasteful number, since it uses less digits than its factorization.

3478511225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2839625 (or 2839613 counting only the distinct ones).

The product of its digits is 67200, while the sum is 38.

The square root of 3478511225 is about 58978.9049152322. The cubic root of 3478511225 is about 1515.1808394035.

Adding to 3478511225 its reverse (5221158743), we get a palindrome (8699669968).

The spelling of 3478511225 in words is "three billion, four hundred seventy-eight million, five hundred eleven thousand, two hundred twenty-five".