5381261 has 2 divisors, whose sum is σ = 5381262. Its totient is φ = 5381260.

The previous prime is 5381251. The next prime is 5381263. The reversal of 5381261 is 1621835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4024036 + 1357225 = 2006^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 5381261 - 2¹⁰ = 5380237 is a prime.

Together with 5381263, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5381261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5381263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690630 + 2690631.

It is an arithmetic number, because the mean of its divisors is an integer number (2690631).

Almost surely, 2^5381261 is an apocalyptic number.

It is an amenable number.

5381261 is a deficient number, since it is larger than the sum of its proper divisors (1).

5381261 is an equidigital number, since it uses as much as digits as its factorization.

5381261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 26.

The square root of 5381261 is about 2319.7545128742. The cubic root of 5381261 is about 175.2378914347.

The spelling of 5381261 in words is "five million, three hundred eighty-one thousand, two hundred sixty-one".