125653733 has 2 divisors, whose sum is σ = 125653734. Its totient is φ = 125653732.

The previous prime is 125653729. The next prime is 125653747. The reversal of 125653733 is 337356521.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115304644 + 10349089 = 10738^2 + 3217^2 .

It is a cyclic number.

It is not a de Polignac number, because 125653733 - 2² = 125653729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 125653693 and 125653702.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (125653793) 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, 62826866 + 62826867.

It is an arithmetic number, because the mean of its divisors is an integer number (62826867).

Almost surely, 2^125653733 is an apocalyptic number.

It is an amenable number.

125653733 is a deficient number, since it is larger than the sum of its proper divisors (1).

125653733 is an equidigital number, since it uses as much as digits as its factorization.

125653733 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 35.

The square root of 125653733 is about 11209.5375908197. The cubic root of 125653733 is about 500.8701288731.

The spelling of 125653733 in words is "one hundred twenty-five million, six hundred fifty-three thousand, seven hundred thirty-three".