2447951 has 6 divisors (see below), whose sum is σ = 2690856. Its totient is φ = 2225300.

The previous prime is 2447933. The next prime is 2447953. The reversal of 2447951 is 1597442.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-2447951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447953) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9995 + ... + 10236.

It is an arithmetic number, because the mean of its divisors is an integer number (448476).

2^2447951 is an apocalyptic number.

2447951 is a deficient number, since it is larger than the sum of its proper divisors (242905).

2447951 is a wasteful number, since it uses less digits than its factorization.

2447951 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20253 (or 20242 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 2447951 is about 1564.5929183018. The cubic root of 2447951 is about 134.7723827875.

The spelling of 2447951 in words is "two million, four hundred forty-seven thousand, nine hundred fifty-one".