5540497 has 2 divisors, whose sum is σ = 5540498. Its totient is φ = 5540496.

The previous prime is 5540489. The next prime is 5540519. The reversal of 5540497 is 7940455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4157521 + 1382976 = 2039^2 + 1176^2 .

It is a cyclic number.

It is not a de Polignac number, because 5540497 - 2³ = 5540489 is a prime.

It is not a weakly prime, because it can be changed into another prime (5540597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2770248 + 2770249.

It is an arithmetic number, because the mean of its divisors is an integer number (2770249).

Almost surely, 2^5540497 is an apocalyptic number.

It is an amenable number.

5540497 is a deficient number, since it is larger than the sum of its proper divisors (1).

5540497 is an equidigital number, since it uses as much as digits as its factorization.

5540497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 5540497 is about 2353.8260343534. The cubic root of 5540497 is about 176.9495957002.

The spelling of 5540497 in words is "five million, five hundred forty thousand, four hundred ninety-seven".