3549980025 has 36 divisors (see below), whose sum is σ = 6506296368. Its totient is φ = 1849286880.

The previous prime is 3549980009. The next prime is 3549980033. The reversal of 3549980025 is 5200899453.

3549980025 is a `hidden beast` number, since 3 + 549 + 9 + 80 + 0 + 25 = 666.

It is not a de Polignac number, because 3549980025 - 2⁴ = 3549980009 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 173787 + ... + 193136.

Almost surely, 2^3549980025 is an apocalyptic number.

It is an amenable number.

3549980025 is a deficient number, since it is larger than the sum of its proper divisors (2956316343).

3549980025 is a wasteful number, since it uses less digits than its factorization.

3549980025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366982 (or 366974 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 3549980025 is about 59581.7088123528. The cubic root of 3549980025 is about 1525.4874407054.

The spelling of 3549980025 in words is "three billion, five hundred forty-nine million, nine hundred eighty thousand, twenty-five".