7147001 has 2 divisors, whose sum is σ = 7147002. Its totient is φ = 7147000.

The previous prime is 7146973. The next prime is 7147003. The reversal of 7147001 is 1007417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6635776 + 511225 = 2576^2 + 715^2 .

It is an emirp because it is prime and its reverse (1007417) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7147001 is a prime.

Together with 7147003, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7147003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3573500 + 3573501.

It is an arithmetic number, because the mean of its divisors is an integer number (3573501).

Almost surely, 2^7147001 is an apocalyptic number.

It is an amenable number.

7147001 is a deficient number, since it is larger than the sum of its proper divisors (1).

7147001 is an equidigital number, since it uses as much as digits as its factorization.

7147001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 196, while the sum is 20.

The square root of 7147001 is about 2673.3875514036. The cubic root of 7147001 is about 192.6229135744.

The spelling of 7147001 in words is "seven million, one hundred forty-seven thousand, one".