3525537249 has 12 divisors (see below), whose sum is σ = 5484169236. Its totient is φ = 2169561312.

The previous prime is 3525537199. The next prime is 3525537259. The reversal of 3525537249 is 9427355253.

3525537249 is a `hidden beast` number, since 3 + 52 + 553 + 7 + 2 + 49 = 666.

3525537249 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 806957649 + 2718579600 = 28407^2 + 52140^2 .

It is not a de Polignac number, because 3525537249 - 2⁷ = 3525537121 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3525537259) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15066282 + ... + 15066515.

It is an arithmetic number, because the mean of its divisors is an integer number (457014103).

Almost surely, 2^3525537249 is an apocalyptic number.

3525537249 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

3525537249 is a deficient number, since it is larger than the sum of its proper divisors (1958631987).

3525537249 is a wasteful number, since it uses less digits than its factorization.

3525537249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30132816 (or 30132813 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 45.

The square root of 3525537249 is about 59376.2347155830. The cubic root of 3525537249 is about 1521.9782139416.

The spelling of 3525537249 in words is "three billion, five hundred twenty-five million, five hundred thirty-seven thousand, two hundred forty-nine".