312642007 has 2 divisors, whose sum is σ = 312642008. Its totient is φ = 312642006.

The previous prime is 312641969. The next prime is 312642049. The reversal of 312642007 is 700246213.

It is a weak prime.

It is an emirp because it is prime and its reverse (700246213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312642007 - 2¹¹ = 312639959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312642067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156321003 + 156321004.

It is an arithmetic number, because the mean of its divisors is an integer number (156321004).

Almost surely, 2^312642007 is an apocalyptic number.

312642007 is a deficient number, since it is larger than the sum of its proper divisors (1).

312642007 is an equidigital number, since it uses as much as digits as its factorization.

312642007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 312642007 is about 17681.6856379702. The cubic root of 312642007 is about 678.7071795965.

The spelling of 312642007 in words is "three hundred twelve million, six hundred forty-two thousand, seven".