3225040520 has 48 divisors (see below), whose sum is σ = 7857474660. Its totient is φ = 1190781696.

The previous prime is 3225040499. The next prime is 3225040541. The reversal of 3225040520 is 250405223.

It is an interprime number because it is at equal distance from previous prime (3225040499) and next prime (3225040541).

It can be written as a sum of positive squares in 6 ways, for example, as 730837156 + 2494203364 = 27034^2 + 49942^2 .

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, 231779 + ... + 245298.

Almost surely, 2^3225040520 is an apocalyptic number.

It is an amenable number.

3225040520 is an abundant number, since it is smaller than the sum of its proper divisors (4632434140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3225040520 is a wasteful number, since it uses less digits than its factorization.

3225040520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477114 (or 477097 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 3225040520 is about 56789.4402155894. The cubic root of 3225040520 is about 1477.4463695040.

Adding to 3225040520 its reverse (250405223), we get a palindrome (3475445743).

The spelling of 3225040520 in words is "three billion, two hundred twenty-five million, forty thousand, five hundred twenty".