5440537 has 2 divisors, whose sum is σ = 5440538. Its totient is φ = 5440536.

The previous prime is 5440511. The next prime is 5440543. The reversal of 5440537 is 7350445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5271616 + 168921 = 2296^2 + 411^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5440537 is a prime.

It is an Ulam number.

5440537 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5440507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2720268 + 2720269.

It is an arithmetic number, because the mean of its divisors is an integer number (2720269).

Almost surely, 2^5440537 is an apocalyptic number.

It is an amenable number.

5440537 is a deficient number, since it is larger than the sum of its proper divisors (1).

5440537 is an equidigital number, since it uses as much as digits as its factorization.

5440537 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8400, while the sum is 28.

The square root of 5440537 is about 2332.4958735226. The cubic root of 5440537 is about 175.8789736997.

The spelling of 5440537 in words is "five million, four hundred forty thousand, five hundred thirty-seven".