7315487 has 2 divisors, whose sum is σ = 7315488. Its totient is φ = 7315486.

The previous prime is 7315471. The next prime is 7315489. The reversal of 7315487 is 7845137.

It is a strong prime.

It is an emirp because it is prime and its reverse (7845137) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7315487 - 2⁴ = 7315471 is a prime.

Together with 7315489, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7315489) 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, 3657743 + 3657744.

It is an arithmetic number, because the mean of its divisors is an integer number (3657744).

Almost surely, 2^7315487 is an apocalyptic number.

7315487 is a deficient number, since it is larger than the sum of its proper divisors (1).

7315487 is an equidigital number, since it uses as much as digits as its factorization.

7315487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 35.

The square root of 7315487 is about 2704.7156967046. The cubic root of 7315487 is about 194.1248266687.

The spelling of 7315487 in words is "seven million, three hundred fifteen thousand, four hundred eighty-seven".