312525113 has 4 divisors (see below), whose sum is σ = 312715380. Its totient is φ = 312334848.

The previous prime is 312525077. The next prime is 312525131. The reversal of 312525113 is 311525213.

It is a happy number.

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 156450064 + 156075049 = 12508^2 + 12493^2 .

It is a cyclic number.

It is not a de Polignac number, because 312525113 - 2¹² = 312521017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312525163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92648 + ... + 95961.

It is an arithmetic number, because the mean of its divisors is an integer number (78178845).

Almost surely, 2^312525113 is an apocalyptic number.

It is an amenable number.

312525113 is a deficient number, since it is larger than the sum of its proper divisors (190267).

312525113 is a wasteful number, since it uses less digits than its factorization.

312525113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190266.

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

The square root of 312525113 is about 17678.3798182978. The cubic root of 312525113 is about 678.6225815737.

The spelling of 312525113 in words is "three hundred twelve million, five hundred twenty-five thousand, one hundred thirteen".