312425269 has 8 divisors (see below), whose sum is σ = 356249880. Its totient is φ = 271428096.

The previous prime is 312425249. The next prime is 312425279. The reversal of 312425269 is 962524213.

It can be written as a sum of positive squares in 4 ways, for example, as 26646244 + 285779025 = 5162^2 + 16905^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312425269 is a prime.

It is a super-2 number, since 2×312425269² = 195219097419444722, 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 (312425249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 706624 + ... + 707065.

It is an arithmetic number, because the mean of its divisors is an integer number (44531235).

Almost surely, 2^312425269 is an apocalyptic number.

It is an amenable number.

312425269 is a deficient number, since it is larger than the sum of its proper divisors (43824611).

312425269 is a wasteful number, since it uses less digits than its factorization.

312425269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1413719.

The product of its digits is 25920, while the sum is 34.

The square root of 312425269 is about 17675.5556914061. Note that the first 3 decimals coincide. The cubic root of 312425269 is about 678.5503061981.

The spelling of 312425269 in words is "three hundred twelve million, four hundred twenty-five thousand, two hundred sixty-nine".