5145559 has 4 divisors (see below), whose sum is σ = 5198704. Its totient is φ = 5092416.

The previous prime is 5145529. The next prime is 5145589. The reversal of 5145559 is 9555415.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9555415 = 5 ⋅1911083.

It is an interprime number because it is at equal distance from previous prime (5145529) and next prime (5145589).

It is a cyclic number.

It is not a de Polignac number, because 5145559 - 2¹³ = 5137367 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145529) 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 in 3 ways as a sum of consecutive naturals, for example, 26427 + ... + 26620.

It is an arithmetic number, because the mean of its divisors is an integer number (1299676).

Almost surely, 2^5145559 is an apocalyptic number.

5145559 is a deficient number, since it is larger than the sum of its proper divisors (53145).

5145559 is an equidigital number, since it uses as much as digits as its factorization.

5145559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53144.

The product of its digits is 22500, while the sum is 34.

The square root of 5145559 is about 2268.3824633425. The cubic root of 5145559 is about 172.6410971878.

The spelling of 5145559 in words is "five million, one hundred forty-five thousand, five hundred fifty-nine".