4155201 has 6 divisors (see below), whose sum is σ = 6001970. Its totient is φ = 2770128.

The previous prime is 4155197. The next prime is 4155247. The reversal of 4155201 is 1025514.

It can be written as a sum of positive squares in only one way, i.e., 2772225 + 1382976 = 1665^2 + 1176^2 .

It is not a de Polignac number, because 4155201 - 2² = 4155197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4155251) 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 5 ways as a sum of consecutive naturals, for example, 230836 + ... + 230853.

Almost surely, 2^4155201 is an apocalyptic number.

It is an amenable number.

4155201 is a deficient number, since it is larger than the sum of its proper divisors (1846769).

4155201 is a wasteful number, since it uses less digits than its factorization.

4155201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461695 (or 461692 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 4155201 is about 2038.4310142853. The cubic root of 4155201 is about 160.7671621145.

It can be divided in two parts, 4155 and 201, that added together give a square (4356 = 66²).

The spelling of 4155201 in words is "four million, one hundred fifty-five thousand, two hundred one".