5421735252 has 108 divisors (see below), whose sum is σ = 14312634336. Its totient is φ = 1730339520.

The previous prime is 5421735233. The next prime is 5421735271. The reversal of 5421735252 is 2525371245.

5421735252 is a `hidden beast` number, since 542 + 17 + 3 + 52 + 52 = 666.

It is an interprime number because it is at equal distance from previous prime (5421735233) and next prime (5421735271).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3965473 + ... + 3966839.

It is an arithmetic number, because the mean of its divisors is an integer number (132524392).

Almost surely, 2^5421735252 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5421735252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7156317168).

5421735252 is an abundant number, since it is smaller than the sum of its proper divisors (8890899084).

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

5421735252 is a wasteful number, since it uses less digits than its factorization.

5421735252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1566 (or 1532 counting only the distinct ones).

The product of its digits is 84000, while the sum is 36.

The square root of 5421735252 is about 73632.4334244088. The cubic root of 5421735252 is about 1756.7613534067.

The spelling of 5421735252 in words is "five billion, four hundred twenty-one million, seven hundred thirty-five thousand, two hundred fifty-two".