248643315 has 48 divisors (see below), whose sum is σ = 438980256. Its totient is φ = 130176000.

The previous prime is 248643289. The next prime is 248643323. The reversal of 248643315 is 513346842.

248643315 is a `hidden beast` number, since 2 + 4 + 8 + 643 + 3 + 1 + 5 = 666.

It is not a de Polignac number, because 248643315 - 2²⁴ = 231866099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 248643315.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1031595 + ... + 1031835.

It is an arithmetic number, because the mean of its divisors is an integer number (9145422).

Almost surely, 2^248643315 is an apocalyptic number.

248643315 is a deficient number, since it is larger than the sum of its proper divisors (190336941).

248643315 is a wasteful number, since it uses less digits than its factorization.

248643315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580 (or 577 counting only the distinct ones).

The product of its digits is 69120, while the sum is 36.

The square root of 248643315 is about 15768.4277910006. The cubic root of 248643315 is about 628.8189133809.

The spelling of 248643315 in words is "two hundred forty-eight million, six hundred forty-three thousand, three hundred fifteen".