312799245 has 16 divisors (see below), whose sum is σ = 545977152. Its totient is φ = 151660160.

The previous prime is 312799231. The next prime is 312799247. The reversal of 312799245 is 542997213.

It is not a de Polignac number, because 312799245 - 2⁷ = 312799117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312799197 and 312799206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312799247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 947712 + ... + 948041.

It is an arithmetic number, because the mean of its divisors is an integer number (34123572).

Almost surely, 2^312799245 is an apocalyptic number.

It is an amenable number.

312799245 is a deficient number, since it is larger than the sum of its proper divisors (233177907).

312799245 is a wasteful number, since it uses less digits than its factorization.

312799245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1895772.

The product of its digits is 136080, while the sum is 42.

The square root of 312799245 is about 17686.1314311525. The cubic root of 312799245 is about 678.8209419523.

The spelling of 312799245 in words is "three hundred twelve million, seven hundred ninety-nine thousand, two hundred forty-five".