125425361 has 4 divisors (see below), whose sum is σ = 125973300. Its totient is φ = 124877424.

The previous prime is 125425351. The next prime is 125425379. The reversal of 125425361 is 163524521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56535361 + 68890000 = 7519^2 + 8300^2 .

It is a cyclic number.

It is not a de Polignac number, because 125425361 - 2¹⁴ = 125408977 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125425351) 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 in 3 ways as a sum of consecutive naturals, for example, 273626 + ... + 274083.

It is an arithmetic number, because the mean of its divisors is an integer number (31493325).

Almost surely, 2^125425361 is an apocalyptic number.

125425361 is the 5009-th centered decagonal number.

It is an amenable number.

125425361 is a deficient number, since it is larger than the sum of its proper divisors (547939).

125425361 is an equidigital number, since it uses as much as digits as its factorization.

125425361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547938.

The product of its digits is 7200, while the sum is 29.

The square root of 125425361 is about 11199.3464541463. The cubic root of 125425361 is about 500.5665058997.

Adding to 125425361 its reverse (163524521), we get a palindrome (288949882).

The spelling of 125425361 in words is "one hundred twenty-five million, four hundred twenty-five thousand, three hundred sixty-one".