2449147 has 2 divisors, whose sum is σ = 2449148. Its totient is φ = 2449146.

The previous prime is 2449133. The next prime is 2449159. The reversal of 2449147 is 7419442.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2449147 is a prime.

It is an Ulam number.

2449147 is a lucky number.

It is a plaindrome in base 13.

It is not a weakly prime, because it can be changed into another prime (2449177) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1224573 + 1224574.

It is an arithmetic number, because the mean of its divisors is an integer number (1224574).

2^2449147 is an apocalyptic number.

2449147 is a deficient number, since it is larger than the sum of its proper divisors (1).

2449147 is an equidigital number, since it uses as much as digits as its factorization.

2449147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8064, while the sum is 31.

The square root of 2449147 is about 1564.9750796738. The cubic root of 2449147 is about 134.7943278790.

The spelling of 2449147 in words is "two million, four hundred forty-nine thousand, one hundred forty-seven".