5406749 has 2 divisors, whose sum is σ = 5406750. Its totient is φ = 5406748.

The previous prime is 5406733. The next prime is 5406757. The reversal of 5406749 is 9476045.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5359225 + 47524 = 2315^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 5406749 - 2⁴ = 5406733 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5406719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2703374 + 2703375.

It is an arithmetic number, because the mean of its divisors is an integer number (2703375).

Almost surely, 2^5406749 is an apocalyptic number.

It is an amenable number.

5406749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5406749 is an equidigital number, since it uses as much as digits as its factorization.

5406749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 5406749 is about 2325.2417078661. The cubic root of 5406749 is about 175.5141234782.

The spelling of 5406749 in words is "five million, four hundred six thousand, seven hundred forty-nine".