8161351 has 4 divisors (see below), whose sum is σ = 8903304. Its totient is φ = 7419400.

The previous prime is 8161333. The next prime is 8161381. The reversal of 8161351 is 1531618.

8161351 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8161351 - 2⁵ = 8161319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8161381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370960 + ... + 370981.

It is an arithmetic number, because the mean of its divisors is an integer number (2225826).

Almost surely, 2^8161351 is an apocalyptic number.

8161351 is a deficient number, since it is larger than the sum of its proper divisors (741953).

8161351 is a wasteful number, since it uses less digits than its factorization.

8161351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 741952.

The product of its digits is 720, while the sum is 25.

The square root of 8161351 is about 2856.8078339293. The cubic root of 8161351 is about 201.3356519793.

Adding to 8161351 its reverse (1531618), we get a palindrome (9692969).

The spelling of 8161351 in words is "eight million, one hundred sixty-one thousand, three hundred fifty-one".