7155241 has 4 divisors (see below), whose sum is σ = 7253332. Its totient is φ = 7057152.

The previous prime is 7155217. The next prime is 7155271. The reversal of 7155241 is 1425517.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1425517 = 23 ⋅61979.

It can be written as a sum of positive squares in 2 ways, for example, as 5664400 + 1490841 = 2380^2 + 1221^2 .

It is a cyclic number.

It is not a de Polignac number, because 7155241 - 2⁵ = 7155209 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (7155271) 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, 48936 + ... + 49081.

It is an arithmetic number, because the mean of its divisors is an integer number (1813333).

Almost surely, 2^7155241 is an apocalyptic number.

It is an amenable number.

7155241 is a deficient number, since it is larger than the sum of its proper divisors (98091).

7155241 is an equidigital number, since it uses as much as digits as its factorization.

7155241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98090.

The product of its digits is 1400, while the sum is 25.

The square root of 7155241 is about 2674.9282233361. The cubic root of 7155241 is about 192.6969121282.

It can be divided in two parts, 7155 and 241, that added together give a square (7396 = 86²).

The spelling of 7155241 in words is "seven million, one hundred fifty-five thousand, two hundred forty-one".