2447925 has 24 divisors (see below), whose sum is σ = 4094976. Its totient is φ = 1290240.

The previous prime is 2447923. The next prime is 2447927. The reversal of 2447925 is 5297442.

2447925 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (2447923) and next prime (2447927).

It is not a de Polignac number, because 2447925 - 2¹ = 2447923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2447923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9397 + ... + 9653.

It is an arithmetic number, because the mean of its divisors is an integer number (170624).

2^2447925 is an apocalyptic number.

2447925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2447925 is a deficient number, since it is larger than the sum of its proper divisors (1647051).

2447925 is a wasteful number, since it uses less digits than its factorization.

2447925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 397 (or 392 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 2447925 is about 1564.5846094092. The cubic root of 2447925 is about 134.7719056409.

The spelling of 2447925 in words is "two million, four hundred forty-seven thousand, nine hundred twenty-five".