7291001 has 2 divisors, whose sum is σ = 7291002. Its totient is φ = 7291000.

The previous prime is 7290991. The next prime is 7291033. The reversal of 7291001 is 1001927.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7284601 + 6400 = 2699^2 + 80^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7291001 is a prime.

It is not a weakly prime, because it can be changed into another prime (7291091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3645500 + 3645501.

It is an arithmetic number, because the mean of its divisors is an integer number (3645501).

Almost surely, 2^7291001 is an apocalyptic number.

It is an amenable number.

7291001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7291001 is an equidigital number, since it uses as much as digits as its factorization.

7291001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126, while the sum is 20.

The square root of 7291001 is about 2700.1853640074. The cubic root of 7291001 is about 193.9079965491.

Adding to 7291001 its reverse (1001927), we get a palindrome (8292928).

The spelling of 7291001 in words is "seven million, two hundred ninety-one thousand, one".