6312949 has 2 divisors, whose sum is σ = 6312950. Its totient is φ = 6312948.

The previous prime is 6312947. The next prime is 6312979. The reversal of 6312949 is 9492136.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3972049 + 2340900 = 1993^2 + 1530^2 .

It is a cyclic number.

It is not a de Polignac number, because 6312949 - 2¹ = 6312947 is a prime.

Together with 6312947, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6312947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3156474 + 3156475.

It is an arithmetic number, because the mean of its divisors is an integer number (3156475).

Almost surely, 2^6312949 is an apocalyptic number.

It is an amenable number.

6312949 is a deficient number, since it is larger than the sum of its proper divisors (1).

6312949 is an equidigital number, since it uses as much as digits as its factorization.

6312949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 34.

The square root of 6312949 is about 2512.5582580310. The cubic root of 6312949 is about 184.8179265388.

The spelling of 6312949 in words is "six million, three hundred twelve thousand, nine hundred forty-nine".