3198015601 has 27 divisors (see below), whose sum is σ = 3620065953. Its totient is φ = 2823025920.

The previous prime is 3198015577. The next prime is 3198015607. The reversal of 3198015601 is 1065108913.

The square root of 3198015601 is 56551.

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 99980001 + 3098035600 = 9999^2 + 55660^2 .

It is not a de Polignac number, because 3198015601 - 2¹³ = 3198007409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3198015607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 32969185 + ... + 32969281.

Almost surely, 2^3198015601 is an apocalyptic number.

3198015601 is the 56551-st square number.

3198015601 is the 28276-th centered octagonal number.

It is an amenable number.

3198015601 is a deficient number, since it is larger than the sum of its proper divisors (422050352).

3198015601 is an frugal number, since it uses more digits than its factorization.

3198015601 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 6480, while the sum is 34.

The cubic root of 3198015601 is about 1473.3079286186.

The spelling of 3198015601 in words is "three billion, one hundred ninety-eight million, fifteen thousand, six hundred one".