125526553 has 2 divisors, whose sum is σ = 125526554. Its totient is φ = 125526552.

The previous prime is 125526547. The next prime is 125526581. The reversal of 125526553 is 355625521.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121066009 + 4460544 = 11003^2 + 2112^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-125526553 is a prime.

It is not a weakly prime, because it can be changed into another prime (125526523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62763276 + 62763277.

It is an arithmetic number, because the mean of its divisors is an integer number (62763277).

Almost surely, 2^125526553 is an apocalyptic number.

It is an amenable number.

125526553 is a deficient number, since it is larger than the sum of its proper divisors (1).

125526553 is an equidigital number, since it uses as much as digits as its factorization.

125526553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45000, while the sum is 34.

The square root of 125526553 is about 11203.8633069134. The cubic root of 125526553 is about 500.7010871608.

The spelling of 125526553 in words is "one hundred twenty-five million, five hundred twenty-six thousand, five hundred fifty-three".