125605393 has 2 divisors, whose sum is σ = 125605394. Its totient is φ = 125605392.

The previous prime is 125605391. The next prime is 125605411. The reversal of 125605393 is 393506521.

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., 97377424 + 28227969 = 9868^2 + 5313^2 .

It is an emirp because it is prime and its reverse (393506521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125605393 - 2¹ = 125605391 is a prime.

Together with 125605391, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (125605391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62802696 + 62802697.

It is an arithmetic number, because the mean of its divisors is an integer number (62802697).

Almost surely, 2^125605393 is an apocalyptic number.

It is an amenable number.

125605393 is a deficient number, since it is larger than the sum of its proper divisors (1).

125605393 is an equidigital number, since it uses as much as digits as its factorization.

125605393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24300, while the sum is 34.

The square root of 125605393 is about 11207.3811838449. The cubic root of 125605393 is about 500.8058910480.

The spelling of 125605393 in words is "one hundred twenty-five million, six hundred five thousand, three hundred ninety-three".