5251161 has 8 divisors (see below), whose sum is σ = 7086240. Its totient is φ = 3458432.

The previous prime is 5251139. The next prime is 5251189. The reversal of 5251161 is 1611525.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5251161 - 2⁶ = 5251097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5251261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10296 + ... + 10793.

It is an arithmetic number, because the mean of its divisors is an integer number (885780).

Almost surely, 2^5251161 is an apocalyptic number.

It is an amenable number.

5251161 is a deficient number, since it is larger than the sum of its proper divisors (1835079).

5251161 is a wasteful number, since it uses less digits than its factorization.

5251161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21175.

The product of its digits is 300, while the sum is 21.

The square root of 5251161 is about 2291.5411844433. The cubic root of 5251161 is about 173.8141429411.

Adding to 5251161 its reverse (1611525), we get a palindrome (6862686).

The spelling of 5251161 in words is "five million, two hundred fifty-one thousand, one hundred sixty-one".