2445047 has 10 divisors (see below), whose sum is σ = 2705640. Its totient is φ = 2209460.

The previous prime is 2445043. The next prime is 2445067. The reversal of 2445047 is 7405442.

It is not a de Polignac number, because 2445047 - 2² = 2445043 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2445043) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 14558 + ... + 14724.

It is an arithmetic number, because the mean of its divisors is an integer number (270564).

2^2445047 is an apocalyptic number.

2445047 is a deficient number, since it is larger than the sum of its proper divisors (260593).

2445047 is an frugal number, since it uses more digits than its factorization.

2445047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 26.

The square root of 2445047 is about 1563.6646059817. The cubic root of 2445047 is about 134.7190682855.

The spelling of 2445047 in words is "two million, four hundred forty-five thousand, forty-seven".