125304313 has 4 divisors (see below), whose sum is σ = 125335540. Its totient is φ = 125273088.

The previous prime is 125304307. The next prime is 125304317. The reversal of 125304313 is 313403521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 53173264 + 72131049 = 7292^2 + 8493^2 .

It is a cyclic number.

It is not a de Polignac number, because 125304313 - 2¹³ = 125296121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125304317) 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, 8520 + ... + 17977.

It is an arithmetic number, because the mean of its divisors is an integer number (31333885).

Almost surely, 2^125304313 is an apocalyptic number.

It is an amenable number.

125304313 is a deficient number, since it is larger than the sum of its proper divisors (31227).

125304313 is an equidigital number, since it uses as much as digits as its factorization.

125304313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31226.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 125304313 is about 11193.9409056864. The cubic root of 125304313 is about 500.4054218441.

Adding to 125304313 its reverse (313403521), we get a palindrome (438707834).

The spelling of 125304313 in words is "one hundred twenty-five million, three hundred four thousand, three hundred thirteen".