312553505 has 8 divisors (see below), whose sum is σ = 409161024. Its totient is φ = 227311600.

The previous prime is 312553499. The next prime is 312553519. The reversal of 312553505 is 505355213.

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

It is not a de Polignac number, because 312553505 - 2¹⁸ = 312291361 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2841341 + ... + 2841450.

It is an arithmetic number, because the mean of its divisors is an integer number (51145128).

Almost surely, 2^312553505 is an apocalyptic number.

It is an amenable number.

312553505 is a deficient number, since it is larger than the sum of its proper divisors (96607519).

312553505 is a wasteful number, since it uses less digits than its factorization.

312553505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5682807.

The product of its (nonzero) digits is 11250, while the sum is 29.

The square root of 312553505 is about 17679.1828148249. The cubic root of 312553505 is about 678.6431312491.

The spelling of 312553505 in words is "three hundred twelve million, five hundred fifty-three thousand, five hundred five".