5640373 has 2 divisors, whose sum is σ = 5640374. Its totient is φ = 5640372.

The previous prime is 5640367. The next prime is 5640377. The reversal of 5640373 is 3730465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4401604 + 1238769 = 2098^2 + 1113^2 .

It is a cyclic number.

It is not a de Polignac number, because 5640373 - 2¹³ = 5632181 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5640377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2820186 + 2820187.

It is an arithmetic number, because the mean of its divisors is an integer number (2820187).

Almost surely, 2^5640373 is an apocalyptic number.

It is an amenable number.

5640373 is a deficient number, since it is larger than the sum of its proper divisors (1).

5640373 is an equidigital number, since it uses as much as digits as its factorization.

5640373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 5640373 is about 2374.9469467759. The cubic root of 5640373 is about 178.0065330262.

The spelling of 5640373 in words is "five million, six hundred forty thousand, three hundred seventy-three".