125055313 has 2 divisors, whose sum is σ = 125055314. Its totient is φ = 125055312.

The previous prime is 125055311. The next prime is 125055319. The reversal of 125055313 is 313550521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 120824064 + 4231249 = 10992^2 + 2057^2 .

It is a cyclic number.

It is not a de Polignac number, because 125055313 - 2¹ = 125055311 is a prime.

Together with 125055311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125055311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62527656 + 62527657.

It is an arithmetic number, because the mean of its divisors is an integer number (62527657).

Almost surely, 2^125055313 is an apocalyptic number.

It is an amenable number.

125055313 is a deficient number, since it is larger than the sum of its proper divisors (1).

125055313 is an equidigital number, since it uses as much as digits as its factorization.

125055313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2250, while the sum is 25.

The square root of 125055313 is about 11182.8132864678. The cubic root of 125055313 is about 500.0737397910.

The spelling of 125055313 in words is "one hundred twenty-five million, fifty-five thousand, three hundred thirteen".