5251361 has 2 divisors, whose sum is σ = 5251362. Its totient is φ = 5251360.

The previous prime is 5251333. The next prime is 5251409. The reversal of 5251361 is 1631525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5202961 + 48400 = 2281^2 + 220^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5251361 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5251331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2625680 + 2625681.

It is an arithmetic number, because the mean of its divisors is an integer number (2625681).

Almost surely, 2^5251361 is an apocalyptic number.

It is an amenable number.

5251361 is a deficient number, since it is larger than the sum of its proper divisors (1).

5251361 is an equidigital number, since it uses as much as digits as its factorization.

5251361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 900, while the sum is 23.

The square root of 5251361 is about 2291.5848227810. The cubic root of 5251361 is about 173.8163495888.

Adding to 5251361 its reverse (1631525), we get a palindrome (6882886).

The spelling of 5251361 in words is "five million, two hundred fifty-one thousand, three hundred sixty-one".