4521169252 has 24 divisors (see below), whose sum is σ = 8265935160. Its totient is φ = 2161017600.

The previous prime is 4521169217. The next prime is 4521169259. The reversal of 4521169252 is 2529611254.

It can be written as a sum of positive squares in 4 ways, for example, as 3459321856 + 1061847396 = 58816^2 + 32586^2 .

It is not an unprimeable number, because it can be changed into a prime (4521169259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 181233 + ... + 204664.

It is an arithmetic number, because the mean of its divisors is an integer number (344413965).

Almost surely, 2^4521169252 is an apocalyptic number.

It is an amenable number.

4521169252 is a deficient number, since it is larger than the sum of its proper divisors (3744765908).

4521169252 is a wasteful number, since it uses less digits than its factorization.

4521169252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 386031 (or 386029 counting only the distinct ones).

The product of its digits is 43200, while the sum is 37.

The square root of 4521169252 is about 67239.6404808949. The cubic root of 4521169252 is about 1653.5484395196.

The spelling of 4521169252 in words is "four billion, five hundred twenty-one million, one hundred sixty-nine thousand, two hundred fifty-two".