5258861 has 4 divisors (see below), whose sum is σ = 5280924. Its totient is φ = 5236800.

The previous prime is 5258821. The next prime is 5258863. The reversal of 5258861 is 1688525.

It is a happy number.

5258861 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3553225 + 1705636 = 1885^2 + 1306^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5258861 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 (5258863) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10670 + ... + 11151.

It is an arithmetic number, because the mean of its divisors is an integer number (1320231).

Almost surely, 2^5258861 is an apocalyptic number.

It is an amenable number.

5258861 is a deficient number, since it is larger than the sum of its proper divisors (22063).

5258861 is a wasteful number, since it uses less digits than its factorization.

5258861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22062.

The product of its digits is 19200, while the sum is 35.

The square root of 5258861 is about 2293.2206609919. The cubic root of 5258861 is about 173.8990584651.

The spelling of 5258861 in words is "five million, two hundred fifty-eight thousand, eight hundred sixty-one".