2447953 has 2 divisors, whose sum is σ = 2447954. Its totient is φ = 2447952.

The previous prime is 2447933. The next prime is 2447971. The reversal of 2447953 is 3597442.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2274064 + 173889 = 1508^2 + 417^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2447953 is a prime.

2447953 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2447923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1223976 + 1223977.

It is an arithmetic number, because the mean of its divisors is an integer number (1223977).

2^2447953 is an apocalyptic number.

It is an amenable number.

2447953 is a deficient number, since it is larger than the sum of its proper divisors (1).

2447953 is an equidigital number, since it uses as much as digits as its factorization.

2447953 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 34.

The square root of 2447953 is about 1564.5935574455. The cubic root of 2447953 is about 134.7724194909.

The spelling of 2447953 in words is "two million, four hundred forty-seven thousand, nine hundred fifty-three".