44246509 has 2 divisors, whose sum is σ = 44246510. Its totient is φ = 44246508.

The previous prime is 44246491. The next prime is 44246537. The reversal of 44246509 is 90564244.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22297284 + 21949225 = 4722^2 + 4685^2 .

It is a cyclic number.

It is not a de Polignac number, because 44246509 - 2⁷ = 44246381 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44246539) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22123254 + 22123255.

It is an arithmetic number, because the mean of its divisors is an integer number (22123255).

Almost surely, 2^44246509 is an apocalyptic number.

It is an amenable number.

44246509 is a deficient number, since it is larger than the sum of its proper divisors (1).

44246509 is an equidigital number, since it uses as much as digits as its factorization.

44246509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 44246509 is about 6651.8049430211. The cubic root of 44246509 is about 353.6928960088.

The spelling of 44246509 in words is "forty-four million, two hundred forty-six thousand, five hundred nine".