125693013 has 4 divisors (see below), whose sum is σ = 167590688. Its totient is φ = 83795340.

The previous prime is 125693011. The next prime is 125693017. The reversal of 125693013 is 310396521.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 125693013 - 2¹ = 125693011 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125693011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20948833 + ... + 20948838.

It is an arithmetic number, because the mean of its divisors is an integer number (41897672).

Almost surely, 2^125693013 is an apocalyptic number.

It is an amenable number.

125693013 is a deficient number, since it is larger than the sum of its proper divisors (41897675).

125693013 is an equidigital number, since it uses as much as digits as its factorization.

125693013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41897674.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 125693013 is about 11211.2895333231. The cubic root of 125693013 is about 500.9223149575.

The spelling of 125693013 in words is "one hundred twenty-five million, six hundred ninety-three thousand, thirteen".