5381749 has 2 divisors, whose sum is σ = 5381750. Its totient is φ = 5381748.

The previous prime is 5381743. The next prime is 5381767. The reversal of 5381749 is 9471835.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3678724 + 1703025 = 1918^2 + 1305^2 .

It is a cyclic number.

It is not a de Polignac number, because 5381749 - 2¹⁷ = 5250677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5381743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2690874 + 2690875.

It is an arithmetic number, because the mean of its divisors is an integer number (2690875).

Almost surely, 2^5381749 is an apocalyptic number.

It is an amenable number.

5381749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5381749 is an equidigital number, since it uses as much as digits as its factorization.

5381749 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 5381749 is about 2319.8596940332. The cubic root of 5381749 is about 175.2431884277.

The spelling of 5381749 in words is "five million, three hundred eighty-one thousand, seven hundred forty-nine".