312360949 has 2 divisors, whose sum is σ = 312360950. Its totient is φ = 312360948.

The previous prime is 312360911. The next prime is 312360977. The reversal of 312360949 is 949063213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 291794724 + 20566225 = 17082^2 + 4535^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312360949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312360049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156180474 + 156180475.

It is an arithmetic number, because the mean of its divisors is an integer number (156180475).

Almost surely, 2^312360949 is an apocalyptic number.

It is an amenable number.

312360949 is a deficient number, since it is larger than the sum of its proper divisors (1).

312360949 is an equidigital number, since it uses as much as digits as its factorization.

312360949 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 312360949 is about 17673.7361358599. The cubic root of 312360949 is about 678.5037378873.

The spelling of 312360949 in words is "three hundred twelve million, three hundred sixty thousand, nine hundred forty-nine".