7130537 has 2 divisors, whose sum is σ = 7130538. Its totient is φ = 7130536.

The previous prime is 7130533. The next prime is 7130551. The reversal of 7130537 is 7350317.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4116841 + 3013696 = 2029^2 + 1736^2 .

It is a cyclic number.

It is not a de Polignac number, because 7130537 - 2² = 7130533 is a prime.

It is a Chen prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (7130533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3565268 + 3565269.

It is an arithmetic number, because the mean of its divisors is an integer number (3565269).

Almost surely, 2^7130537 is an apocalyptic number.

It is an amenable number.

7130537 is a deficient number, since it is larger than the sum of its proper divisors (1).

7130537 is an equidigital number, since it uses as much as digits as its factorization.

7130537 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2205, while the sum is 26.

The square root of 7130537 is about 2670.3065367107. The cubic root of 7130537 is about 192.4748896240.

It can be divided in two parts, 7130 and 537, that added together give a palindrome (7667).

The spelling of 7130537 in words is "seven million, one hundred thirty thousand, five hundred thirty-seven".