125251313 has 8 divisors (see below), whose sum is σ = 138563136. Its totient is φ = 112260400.

The previous prime is 125251309. The next prime is 125251333. The reversal of 125251313 is 313152521.

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 125251313 - 2² = 125251309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (125251333) 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, 79406 + ... + 80967.

It is an arithmetic number, because the mean of its divisors is an integer number (17320392).

Almost surely, 2^125251313 is an apocalyptic number.

It is an amenable number.

125251313 is a deficient number, since it is larger than the sum of its proper divisors (13311823).

125251313 is a wasteful number, since it uses less digits than its factorization.

125251313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160455.

The product of its digits is 900, while the sum is 23.

The square root of 125251313 is about 11191.5733031598. The cubic root of 125251313 is about 500.3348596879.

The spelling of 125251313 in words is "one hundred twenty-five million, two hundred fifty-one thousand, three hundred thirteen".