2500000057 has 2 divisors, whose sum is σ = 2500000058. Its totient is φ = 2500000056.

The previous prime is 2500000043. The next prime is 2500000103. The reversal of 2500000057 is 7500000052.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1337803776 + 1162196281 = 36576^2 + 34091^2 .

It is a cyclic number.

It is not a de Polignac number, because 2500000057 - 2¹⁵ = 2499967289 is a prime.

It is not a weakly prime, because it can be changed into another prime (2500000757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1250000028 + 1250000029.

It is an arithmetic number, because the mean of its divisors is an integer number (1250000029).

Almost surely, 2^2500000057 is an apocalyptic number.

It is an amenable number.

2500000057 is a deficient number, since it is larger than the sum of its proper divisors (1).

2500000057 is an equidigital number, since it uses as much as digits as its factorization.

2500000057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 350, while the sum is 19.

The square root of 2500000057 is about 50000.0005700000. Note that the first 3 decimals coincide. The cubic root of 2500000057 is about 1357.2088186122.

The spelling of 2500000057 in words is "two billion, five hundred million, fifty-seven", and thus it is an aban number.