3543507252 has 18 divisors (see below), whose sum is σ = 8957198978. Its totient is φ = 1181169072.

The previous prime is 3543507221. The next prime is 3543507257. The reversal of 3543507252 is 2527053453.

3543507252 is a `hidden beast` number, since 3 + 54 + 350 + 7 + 252 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2275862436 + 1267644816 = 47706^2 + 35604^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 98430757 = 3543507252 / (3 + 5 + 4 + 3 + 5 + 0 + 7 + 2 + 5 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3543507257) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49215343 + ... + 49215414.

Almost surely, 2^3543507252 is an apocalyptic number.

It is an amenable number.

3543507252 is an abundant number, since it is smaller than the sum of its proper divisors (5413691726).

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

3543507252 is a wasteful number, since it uses less digits than its factorization.

3543507252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98430767 (or 98430762 counting only the distinct ones).

The product of its (nonzero) digits is 126000, while the sum is 36.

The square root of 3543507252 is about 59527.3655724827. The cubic root of 3543507252 is about 1524.5597226908.

The spelling of 3543507252 in words is "three billion, five hundred forty-three million, five hundred seven thousand, two hundred fifty-two".