125345213 has 4 divisors (see below), whose sum is σ = 143251680. Its totient is φ = 107438748.

The previous prime is 125345191. The next prime is 125345219. The reversal of 125345213 is 312543521.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 125345213 - 2⁶ = 125345149 is a prime.

It is a super-2 number, since 2×125345213² = 31422844844030738, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125345219) 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, 8953223 + ... + 8953236.

It is an arithmetic number, because the mean of its divisors is an integer number (35812920).

Almost surely, 2^125345213 is an apocalyptic number.

It is an amenable number.

125345213 is a deficient number, since it is larger than the sum of its proper divisors (17906467).

125345213 is an equidigital number, since it uses as much as digits as its factorization.

125345213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17906466.

The product of its digits is 3600, while the sum is 26.

The square root of 125345213 is about 11195.7676378174. The cubic root of 125345213 is about 500.4598609262.

Adding to 125345213 its reverse (312543521), we get a palindrome (437888734).

The spelling of 125345213 in words is "one hundred twenty-five million, three hundred forty-five thousand, two hundred thirteen".