125514541 has 2 divisors, whose sum is σ = 125514542. Its totient is φ = 125514540.

The previous prime is 125514539. The next prime is 125514559. The reversal of 125514541 is 145415521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 71064900 + 54449641 = 8430^2 + 7379^2 .

It is a cyclic number.

It is not a de Polignac number, because 125514541 - 2¹ = 125514539 is a prime.

Together with 125514539, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125514511) 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, 62757270 + 62757271.

It is an arithmetic number, because the mean of its divisors is an integer number (62757271).

Almost surely, 2^125514541 is an apocalyptic number.

It is an amenable number.

125514541 is a deficient number, since it is larger than the sum of its proper divisors (1).

125514541 is an equidigital number, since it uses as much as digits as its factorization.

125514541 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000, while the sum is 28.

The square root of 125514541 is about 11203.3272289976. The cubic root of 125514541 is about 500.6851154715.

The spelling of 125514541 in words is "one hundred twenty-five million, five hundred fourteen thousand, five hundred forty-one".