3551663325 has 36 divisors (see below), whose sum is σ = 6830797920. Its totient is φ = 1623615840.

The previous prime is 3551663191. The next prime is 3551663333. The reversal of 3551663325 is 5233661553.

It is not a de Polignac number, because 3551663325 - 2⁹ = 3551662813 is a prime.

It is a super-2 number, since 2×3551663325² = 25228624748300111250, which contains 22 as substring.

It is a congruent number.

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, 479545 + ... + 486894.

Almost surely, 2^3551663325 is an apocalyptic number.

3551663325 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3551663325 is a deficient number, since it is larger than the sum of its proper divisors (3279134595).

3551663325 is a wasteful number, since it uses less digits than its factorization.

3551663325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966466 (or 966454 counting only the distinct ones).

The product of its digits is 243000, while the sum is 39.

The square root of 3551663325 is about 59595.8331177608. The cubic root of 3551663325 is about 1525.7285169208.

The spelling of 3551663325 in words is "three billion, five hundred fifty-one million, six hundred sixty-three thousand, three hundred twenty-five".