4521213452 has 24 divisors (see below), whose sum is σ = 9060576000. Its totient is φ = 1933773840.

The previous prime is 4521213443. The next prime is 4521213469. The reversal of 4521213452 is 2543121254.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147824 + ... + 175767.

It is an arithmetic number, because the mean of its divisors is an integer number (377524000).

Almost surely, 2^4521213452 is an apocalyptic number.

It is an amenable number.

4521213452 is an abundant number, since it is smaller than the sum of its proper divisors (4539362548).

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

4521213452 is a wasteful number, since it uses less digits than its factorization.

4521213452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 324101 (or 324099 counting only the distinct ones).

The product of its digits is 9600, while the sum is 29.

The square root of 4521213452 is about 67239.9691552576. The cubic root of 4521213452 is about 1653.5538279931.

The spelling of 4521213452 in words is "four billion, five hundred twenty-one million, two hundred thirteen thousand, four hundred fifty-two".