3125130457 has 2 divisors, whose sum is σ = 3125130458. Its totient is φ = 3125130456.

The previous prime is 3125130419. The next prime is 3125130473. The reversal of 3125130457 is 7540315213.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2375685081 + 749445376 = 48741^2 + 27376^2 .

It is an emirp because it is prime and its reverse (7540315213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3125130457 - 2⁷ = 3125130329 is a prime.

It is not a weakly prime, because it can be changed into another prime (3125136457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1562565228 + 1562565229.

It is an arithmetic number, because the mean of its divisors is an integer number (1562565229).

Almost surely, 2^3125130457 is an apocalyptic number.

It is an amenable number.

3125130457 is a deficient number, since it is larger than the sum of its proper divisors (1).

3125130457 is an equidigital number, since it uses as much as digits as its factorization.

3125130457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12600, while the sum is 31.

The square root of 3125130457 is about 55902.8662681977. The cubic root of 3125130457 is about 1462.0292132810.

The spelling of 3125130457 in words is "three billion, one hundred twenty-five million, one hundred thirty thousand, four hundred fifty-seven".