125526513 has 8 divisors (see below), whose sum is σ = 191278528. Its totient is φ = 71729424.

The previous prime is 125526491. The next prime is 125526517. The reversal of 125526513 is 315625521.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 125526513 - 2¹⁰ = 125525489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (125526517) 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 in 7 ways as a sum of consecutive naturals, for example, 2988706 + ... + 2988747.

It is an arithmetic number, because the mean of its divisors is an integer number (23909816).

Almost surely, 2^125526513 is an apocalyptic number.

It is an amenable number.

125526513 is a deficient number, since it is larger than the sum of its proper divisors (65752015).

125526513 is an equidigital number, since it uses as much as digits as its factorization.

125526513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5977463.

The product of its digits is 9000, while the sum is 30.

The square root of 125526513 is about 11203.8615218147. The cubic root of 125526513 is about 500.7010339767.

The spelling of 125526513 in words is "one hundred twenty-five million, five hundred twenty-six thousand, five hundred thirteen".