125245313 has 2 divisors, whose sum is σ = 125245314. Its totient is φ = 125245312.

The previous prime is 125245291. The next prime is 125245343. The reversal of 125245313 is 313542521.

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., 69772609 + 55472704 = 8353^2 + 7448^2 .

It is a cyclic number.

It is not a de Polignac number, because 125245313 - 2⁶ = 125245249 is a prime.

It is not a weakly prime, because it can be changed into another prime (125245343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62622656 + 62622657.

It is an arithmetic number, because the mean of its divisors is an integer number (62622657).

Almost surely, 2^125245313 is an apocalyptic number.

It is an amenable number.

125245313 is a deficient number, since it is larger than the sum of its proper divisors (1).

125245313 is an equidigital number, since it uses as much as digits as its factorization.

125245313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3600, while the sum is 26.

The square root of 125245313 is about 11191.3052411236. The cubic root of 125245313 is about 500.3268702651.

Adding to 125245313 its reverse (313542521), we get a palindrome (438787834).

The spelling of 125245313 in words is "one hundred twenty-five million, two hundred forty-five thousand, three hundred thirteen".