6147997 has 2 divisors, whose sum is σ = 6147998. Its totient is φ = 6147996.

The previous prime is 6147983. The next prime is 6148049. The reversal of 6147997 is 7997416.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4268356 + 1879641 = 2066^2 + 1371^2 .

It is a cyclic number.

It is not a de Polignac number, because 6147997 - 2¹⁵ = 6115229 is a prime.

It is a super-2 number, since 2×6147997² = 75595734224018, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6147917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3073998 + 3073999.

It is an arithmetic number, because the mean of its divisors is an integer number (3073999).

Almost surely, 2^6147997 is an apocalyptic number.

It is an amenable number.

6147997 is a deficient number, since it is larger than the sum of its proper divisors (1).

6147997 is an equidigital number, since it uses as much as digits as its factorization.

6147997 is an evil number, because the sum of its binary digits is even.

The product of its digits is 95256, while the sum is 43.

The square root of 6147997 is about 2479.5154768624. The cubic root of 6147997 is about 183.1939874110.

The spelling of 6147997 in words is "six million, one hundred forty-seven thousand, nine hundred ninety-seven".