6247005461 has 2 divisors, whose sum is σ = 6247005462. Its totient is φ = 6247005460.

The previous prime is 6247005437. The next prime is 6247005463. The reversal of 6247005461 is 1645007426.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6238630225 + 8375236 = 78985^2 + 2894^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6247005461 is a prime.

Together with 6247005463, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6247005463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3123502730 + 3123502731.

It is an arithmetic number, because the mean of its divisors is an integer number (3123502731).

Almost surely, 2^6247005461 is an apocalyptic number.

It is an amenable number.

6247005461 is a deficient number, since it is larger than the sum of its proper divisors (1).

6247005461 is an equidigital number, since it uses as much as digits as its factorization.

6247005461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 6247005461 is about 79038.0001075432. Note that the first 3 decimals coincide. The cubic root of 6247005461 is about 1841.7215162969.

The spelling of 6247005461 in words is "six billion, two hundred forty-seven million, five thousand, four hundred sixty-one".