312653247 has 8 divisors (see below), whose sum is σ = 416962560. Its totient is φ = 208389720.

The previous prime is 312653221. The next prime is 312653287. The reversal of 312653247 is 742356213.

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

It is not a de Polignac number, because 312653247 - 2¹⁵ = 312620479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312653287) 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, 10504 + ... + 27122.

It is an arithmetic number, because the mean of its divisors is an integer number (52120320).

Almost surely, 2^312653247 is an apocalyptic number.

312653247 is a deficient number, since it is larger than the sum of its proper divisors (104309313).

312653247 is a wasteful number, since it uses less digits than its factorization.

312653247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22893.

The product of its digits is 30240, while the sum is 33.

The square root of 312653247 is about 17682.0034781130. The cubic root of 312653247 is about 678.7153130495.

The spelling of 312653247 in words is "three hundred twelve million, six hundred fifty-three thousand, two hundred forty-seven".