2450009 has 2 divisors, whose sum is σ = 2450010. Its totient is φ = 2450008.

The previous prime is 2450003. The next prime is 2450017. The reversal of 2450009 is 9000542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2449225 + 784 = 1565^2 + 28^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2450009 is a prime.

It is a plaindrome in base 15.

It is not a weakly prime, because it can be changed into another prime (2450003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1225004 + 1225005.

It is an arithmetic number, because the mean of its divisors is an integer number (1225005).

2^2450009 is an apocalyptic number.

It is an amenable number.

2450009 is a deficient number, since it is larger than the sum of its proper divisors (1).

2450009 is an equidigital number, since it uses as much as digits as its factorization.

2450009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 2450009 is about 1565.2504591918. The cubic root of 2450009 is about 134.8101400620.

The spelling of 2450009 in words is "two million, four hundred fifty thousand, nine".