125374913 has 2 divisors, whose sum is σ = 125374914. Its totient is φ = 125374912.

The previous prime is 125374877. The next prime is 125374919. The reversal of 125374913 is 319473521.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 63091249 + 62283664 = 7943^2 + 7892^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125374913 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (125374919) 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, 62687456 + 62687457.

It is an arithmetic number, because the mean of its divisors is an integer number (62687457).

Almost surely, 2^125374913 is an apocalyptic number.

It is an amenable number.

125374913 is a deficient number, since it is larger than the sum of its proper divisors (1).

125374913 is an equidigital number, since it uses as much as digits as its factorization.

125374913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 22680, while the sum is 35.

The square root of 125374913 is about 11197.0939533434. The cubic root of 125374913 is about 500.4993850631.

The spelling of 125374913 in words is "one hundred twenty-five million, three hundred seventy-four thousand, nine hundred thirteen".