125397313 has 8 divisors (see below), whose sum is σ = 127729728. Its totient is φ = 123084624.

The previous prime is 125397301. The next prime is 125397317. The reversal of 125397313 is 313793521.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 125397313 - 2⁵ = 125397281 is a prime.

It is a super-2 number, since 2×125397313² = 31448972215239938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (125397317) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8220 + ... + 17842.

It is an arithmetic number, because the mean of its divisors is an integer number (15966216).

Almost surely, 2^125397313 is an apocalyptic number.

It is an amenable number.

125397313 is a deficient number, since it is larger than the sum of its proper divisors (2332415).

125397313 is an equidigital number, since it uses as much as digits as its factorization.

125397313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9863.

The product of its digits is 17010, while the sum is 34.

The square root of 125397313 is about 11198.0941682056. The cubic root of 125397313 is about 500.5291903841.

The spelling of 125397313 in words is "one hundred twenty-five million, three hundred ninety-seven thousand, three hundred thirteen".