7201157 has 2 divisors, whose sum is σ = 7201158. Its totient is φ = 7201156.

The previous prime is 7201153. The next prime is 7201189. The reversal of 7201157 is 7511027.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3632836 + 3568321 = 1906^2 + 1889^2 .

It is an emirp because it is prime and its reverse (7511027) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7201157 - 2² = 7201153 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7201153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3600578 + 3600579.

It is an arithmetic number, because the mean of its divisors is an integer number (3600579).

Almost surely, 2^7201157 is an apocalyptic number.

It is an amenable number.

7201157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7201157 is an equidigital number, since it uses as much as digits as its factorization.

7201157 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 490, while the sum is 23.

The square root of 7201157 is about 2683.4971585601. The cubic root of 7201157 is about 193.1082196192.

The spelling of 7201157 in words is "seven million, two hundred one thousand, one hundred fifty-seven".