125350549 has 2 divisors, whose sum is σ = 125350550. Its totient is φ = 125350548.

The previous prime is 125350541. The next prime is 125350559. The reversal of 125350549 is 945053521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 70442449 + 54908100 = 8393^2 + 7410^2 .

It is a cyclic number.

It is not a de Polignac number, because 125350549 - 2³ = 125350541 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125350541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62675274 + 62675275.

It is an arithmetic number, because the mean of its divisors is an integer number (62675275).

Almost surely, 2^125350549 is an apocalyptic number.

It is an amenable number.

125350549 is a deficient number, since it is larger than the sum of its proper divisors (1).

125350549 is an equidigital number, since it uses as much as digits as its factorization.

125350549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 125350549 is about 11196.0059396197. The cubic root of 125350549 is about 500.4669624231.

The spelling of 125350549 in words is "one hundred twenty-five million, three hundred fifty thousand, five hundred forty-nine".