7285161 has 8 divisors (see below), whose sum is σ = 10460800. Its totient is φ = 4483152.

The previous prime is 7285147. The next prime is 7285199. The reversal of 7285161 is 1615827.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 7285161 - 2⁹ = 7284649 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (7285661) 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 7 ways as a sum of consecutive naturals, for example, 93361 + ... + 93438.

It is an arithmetic number, because the mean of its divisors is an integer number (1307600).

Almost surely, 2^7285161 is an apocalyptic number.

It is an amenable number.

7285161 is a deficient number, since it is larger than the sum of its proper divisors (3175639).

7285161 is a wasteful number, since it uses less digits than its factorization.

7285161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186815.

The product of its digits is 3360, while the sum is 30.

The square root of 7285161 is about 2699.1037401330. The cubic root of 7285161 is about 193.8562100986.

The spelling of 7285161 in words is "seven million, two hundred eighty-five thousand, one hundred sixty-one".