2457000209 has 2 divisors, whose sum is σ = 2457000210. Its totient is φ = 2457000208.

The previous prime is 2457000197. The next prime is 2457000253. The reversal of 2457000209 is 9020007542.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2430785809 + 26214400 = 49303^2 + 5120^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2457000209 is a prime.

It is not a weakly prime, because it can be changed into another prime (2457000269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1228500104 + 1228500105.

It is an arithmetic number, because the mean of its divisors is an integer number (1228500105).

Almost surely, 2^2457000209 is an apocalyptic number.

It is an amenable number.

2457000209 is a deficient number, since it is larger than the sum of its proper divisors (1).

2457000209 is an equidigital number, since it uses as much as digits as its factorization.

2457000209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 2457000209 is about 49568.1370337841. The cubic root of 2457000209 is about 1349.3824718435.

The spelling of 2457000209 in words is "two billion, four hundred fifty-seven million, two hundred nine", and thus it is an aban number.