7089157 has 2 divisors, whose sum is σ = 7089158. Its totient is φ = 7089156.

The previous prime is 7089143. The next prime is 7089161. The reversal of 7089157 is 7519807.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5909761 + 1179396 = 2431^2 + 1086^2 .

It is an emirp because it is prime and its reverse (7519807) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7089157 - 2¹¹ = 7087109 is a prime.

It is a super-2 number, since 2×7089157² = 100512293941298, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7089107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3544578 + 3544579.

It is an arithmetic number, because the mean of its divisors is an integer number (3544579).

Almost surely, 2^7089157 is an apocalyptic number.

It is an amenable number.

7089157 is a deficient number, since it is larger than the sum of its proper divisors (1).

7089157 is an equidigital number, since it uses as much as digits as its factorization.

7089157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17640, while the sum is 37.

The square root of 7089157 is about 2662.5470887855. The cubic root of 7089157 is about 192.1018430327.

The spelling of 7089157 in words is "seven million, eighty-nine thousand, one hundred fifty-seven".