125589513 has 8 divisors (see below), whose sum is σ = 191374528. Its totient is φ = 71765424.

The previous prime is 125589493. The next prime is 125589547. The reversal of 125589513 is 315985521.

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

It is not a de Polignac number, because 125589513 - 2⁸ = 125589257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125589313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2990206 + ... + 2990247.

It is an arithmetic number, because the mean of its divisors is an integer number (23921816).

Almost surely, 2^125589513 is an apocalyptic number.

It is an amenable number.

125589513 is a deficient number, since it is larger than the sum of its proper divisors (65785015).

125589513 is an equidigital number, since it uses as much as digits as its factorization.

125589513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5980463.

The product of its digits is 54000, while the sum is 39.

The square root of 125589513 is about 11206.6726997803. The cubic root of 125589513 is about 500.7847849142.

The spelling of 125589513 in words is "one hundred twenty-five million, five hundred eighty-nine thousand, five hundred thirteen".