7872559 has 2 divisors, whose sum is σ = 7872560. Its totient is φ = 7872558.

The previous prime is 7872541. The next prime is 7872577. The reversal of 7872559 is 9552787.

It is a balanced prime because it is at equal distance from previous prime (7872541) and next prime (7872577).

It is an emirp because it is prime and its reverse (9552787) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7872559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7873559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3936279 + 3936280.

It is an arithmetic number, because the mean of its divisors is an integer number (3936280).

Almost surely, 2^7872559 is an apocalyptic number.

7872559 is a deficient number, since it is larger than the sum of its proper divisors (1).

7872559 is an equidigital number, since it uses as much as digits as its factorization.

7872559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 176400, while the sum is 43.

The square root of 7872559 is about 2805.8080832445. The cubic root of 7872559 is about 198.9323019136.

The spelling of 7872559 in words is "seven million, eight hundred seventy-two thousand, five hundred fifty-nine".