125425253 has 2 divisors, whose sum is σ = 125425254. Its totient is φ = 125425252.

The previous prime is 125425249. The next prime is 125425271. The reversal of 125425253 is 352524521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125037124 + 388129 = 11182^2 + 623^2 .

It is an emirp because it is prime and its reverse (352524521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125425253 - 2² = 125425249 is a prime.

It is a super-2 number, since 2×125425253² = 31462988180228018, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125425243) 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, 62712626 + 62712627.

It is an arithmetic number, because the mean of its divisors is an integer number (62712627).

Almost surely, 2^125425253 is an apocalyptic number.

It is an amenable number.

125425253 is a deficient number, since it is larger than the sum of its proper divisors (1).

125425253 is an equidigital number, since it uses as much as digits as its factorization.

125425253 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12000, while the sum is 29.

The square root of 125425253 is about 11199.3416324354. The cubic root of 125425253 is about 500.5663622254.

Adding to 125425253 its reverse (352524521), we get a palindrome (477949774).

The spelling of 125425253 in words is "one hundred twenty-five million, four hundred twenty-five thousand, two hundred fifty-three".