3243452520 has 128 divisors (see below), whose sum is σ = 12131389440. Its totient is φ = 673962240.

The previous prime is 3243452473. The next prime is 3243452567. The reversal of 3243452520 is 252543423.

It is an interprime number because it is at equal distance from previous prime (3243452473) and next prime (3243452567).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 166272 + ... + 184751.

It is an arithmetic number, because the mean of its divisors is an integer number (94776480).

Almost surely, 2^3243452520 is an apocalyptic number.

3243452520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3243452520 is an abundant number, since it is smaller than the sum of its proper divisors (8887936920).

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

3243452520 is a wasteful number, since it uses less digits than its factorization.

3243452520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351055 (or 351051 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 3243452520 is about 56951.3171050503. The cubic root of 3243452520 is about 1480.2526534821.

Adding to 3243452520 its reverse (252543423), we get a palindrome (3495995943).

The spelling of 3243452520 in words is "three billion, two hundred forty-three million, four hundred fifty-two thousand, five hundred twenty".