125504653 has 2 divisors, whose sum is σ = 125504654. Its totient is φ = 125504652.

The previous prime is 125504651. The next prime is 125504657. The reversal of 125504653 is 356405521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 118439689 + 7064964 = 10883^2 + 2658^2 .

It is an emirp because it is prime and its reverse (356405521) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 125504653 - 2¹ = 125504651 is a prime.

Together with 125504651, 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 (125504651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62752326 + 62752327.

It is an arithmetic number, because the mean of its divisors is an integer number (62752327).

Almost surely, 2^125504653 is an apocalyptic number.

It is an amenable number.

125504653 is a deficient number, since it is larger than the sum of its proper divisors (1).

125504653 is an equidigital number, since it uses as much as digits as its factorization.

125504653 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18000, while the sum is 31.

The square root of 125504653 is about 11202.8859228326. The cubic root of 125504653 is about 500.6719671823.

The spelling of 125504653 in words is "one hundred twenty-five million, five hundred four thousand, six hundred fifty-three".