7275161 has 2 divisors, whose sum is σ = 7275162. Its totient is φ = 7275160.

The previous prime is 7275091. The next prime is 7275181. The reversal of 7275161 is 1615727.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6031936 + 1243225 = 2456^2 + 1115^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7275161 is a prime.

It is not a weakly prime, because it can be changed into another prime (7275181) 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 as a sum of consecutive naturals, namely, 3637580 + 3637581.

It is an arithmetic number, because the mean of its divisors is an integer number (3637581).

Almost surely, 2^7275161 is an apocalyptic number.

It is an amenable number.

7275161 is a deficient number, since it is larger than the sum of its proper divisors (1).

7275161 is an equidigital number, since it uses as much as digits as its factorization.

7275161 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2940, while the sum is 29.

The square root of 7275161 is about 2697.2506372230. The cubic root of 7275161 is about 193.7674703636.

The spelling of 7275161 in words is "seven million, two hundred seventy-five thousand, one hundred sixty-one".