7201291 has 4 divisors (see below), whose sum is σ = 7222392. Its totient is φ = 7180192.

The previous prime is 7201279. The next prime is 7201297. The reversal of 7201291 is 1921027.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7201291 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7201297) 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, 10030 + ... + 10723.

It is an arithmetic number, because the mean of its divisors is an integer number (1805598).

Almost surely, 2^7201291 is an apocalyptic number.

7201291 is a deficient number, since it is larger than the sum of its proper divisors (21101).

7201291 is a wasteful number, since it uses less digits than its factorization.

7201291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21100.

The product of its (nonzero) digits is 252, while the sum is 22.

The square root of 7201291 is about 2683.5221258637. The cubic root of 7201291 is about 193.1094174054.

The spelling of 7201291 in words is "seven million, two hundred one thousand, two hundred ninety-one".