3546321601 has 27 divisors (see below), whose sum is σ = 3927395433. Its totient is φ = 3201461760.

The previous prime is 3546321599. The next prime is 3546321683. The reversal of 3546321601 is 1061236453.

The square root of 3546321601 is 59551.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 432681601 + 3113640000 = 20801^2 + 55800^2 .

It is not a de Polignac number, because 3546321601 - 2¹ = 3546321599 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3546322601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 31383321 + ... + 31383433.

Almost surely, 2^3546321601 is an apocalyptic number.

3546321601 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3546321601 is the 59551-st square number.

3546321601 is the 29776-th centered octagonal number.

It is an amenable number.

3546321601 is a deficient number, since it is larger than the sum of its proper divisors (381073832).

3546321601 is an equidigital number, since it uses as much as digits as its factorization.

3546321601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 31.

The cubic root of 3546321601 is about 1524.9632313629.

It can be divided in two parts, 35 and 46321601, that added together give a square (46321636 = 6806²).

The spelling of 3546321601 in words is "three billion, five hundred forty-six million, three hundred twenty-one thousand, six hundred one".