5145861 has 16 divisors (see below), whose sum is σ = 7876224. Its totient is φ = 2927424.

The previous prime is 5145851. The next prime is 5145871. The reversal of 5145861 is 1685415.

It is an interprime number because it is at equal distance from previous prime (5145851) and next prime (5145871).

It is not a de Polignac number, because 5145861 - 2⁷ = 5145733 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5145821) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6271 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (492264).

Almost surely, 2^5145861 is an apocalyptic number.

It is an amenable number.

5145861 is a deficient number, since it is larger than the sum of its proper divisors (2730363).

5145861 is a wasteful number, since it uses less digits than its factorization.

5145861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100.

The product of its digits is 4800, while the sum is 30.

The square root of 5145861 is about 2268.4490296235. The cubic root of 5145861 is about 172.6444746370.

It can be divided in two parts, 5145 and 861, that added together give a palindrome (6006).

The spelling of 5145861 in words is "five million, one hundred forty-five thousand, eight hundred sixty-one".