8155201 has 4 divisors (see below), whose sum is σ = 8418304. Its totient is φ = 7892100.

The previous prime is 8155193. The next prime is 8155229. The reversal of 8155201 is 1025518.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8155201 - 2³ = 8155193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8155261) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131505 + ... + 131566.

It is an arithmetic number, because the mean of its divisors is an integer number (2104576).

Almost surely, 2^8155201 is an apocalyptic number.

It is an amenable number.

8155201 is a deficient number, since it is larger than the sum of its proper divisors (263103).

8155201 is a wasteful number, since it uses less digits than its factorization.

8155201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263102.

The product of its (nonzero) digits is 400, while the sum is 22.

The square root of 8155201 is about 2855.7312548628. The cubic root of 8155201 is about 201.2850669961.

The spelling of 8155201 in words is "eight million, one hundred fifty-five thousand, two hundred one".