43725499 has 2 divisors, whose sum is σ = 43725500. Its totient is φ = 43725498.

The previous prime is 43725449. The next prime is 43725503. The reversal of 43725499 is 99452734.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 43725499 - 2⁹ = 43724987 is a prime.

It is not a weakly prime, because it can be changed into another prime (43725419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21862749 + 21862750.

It is an arithmetic number, because the mean of its divisors is an integer number (21862750).

Almost surely, 2^43725499 is an apocalyptic number.

43725499 is a deficient number, since it is larger than the sum of its proper divisors (1).

43725499 is an equidigital number, since it uses as much as digits as its factorization.

43725499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 43.

The square root of 43725499 is about 6612.5259167734. The cubic root of 43725499 is about 352.2991468476.

The spelling of 43725499 in words is "forty-three million, seven hundred twenty-five thousand, four hundred ninety-nine".