3551001601 has 8 divisors (see below), whose sum is σ = 4124817344. Its totient is φ = 2993818320.

The previous prime is 3551001583. The next prime is 3551001659. The reversal of 3551001601 is 1061001553.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3551001601 - 2⁵ = 3551001569 is a prime.

It is a super-2 number, since 2×3551001601² = 25219224740609126402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3551001001) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4157655 + ... + 4158508.

It is an arithmetic number, because the mean of its divisors is an integer number (515602168).

Almost surely, 2^3551001601 is an apocalyptic number.

It is an amenable number.

3551001601 is a deficient number, since it is larger than the sum of its proper divisors (573815743).

3551001601 is an equidigital number, since it uses as much as digits as its factorization.

3551001601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8316231.

The product of its (nonzero) digits is 450, while the sum is 22.

The square root of 3551001601 is about 59590.2810951585. The cubic root of 3551001601 is about 1525.6337562606.

The spelling of 3551001601 in words is "three billion, five hundred fifty-one million, one thousand, six hundred one".