1925925447 has 16 divisors (see below), whose sum is σ = 2686768128. Its totient is φ = 1224817440.

The previous prime is 1925925403. The next prime is 1925925479. The reversal of 1925925447 is 7445295291.

It is a happy number.

1925925447 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1925925447 - 2⁷ = 1925925319 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1925925396 and 1925925405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1925925497) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11679 + ... + 63152.

It is an arithmetic number, because the mean of its divisors is an integer number (167923008).

Almost surely, 2^1925925447 is an apocalyptic number.

1925925447 is a deficient number, since it is larger than the sum of its proper divisors (760842681).

1925925447 is a wasteful number, since it uses less digits than its factorization.

1925925447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75230.

The product of its digits is 907200, while the sum is 48.

The square root of 1925925447 is about 43885.3671170699. The cubic root of 1925925447 is about 1244.1702824752.

The spelling of 1925925447 in words is "one billion, nine hundred twenty-five million, nine hundred twenty-five thousand, four hundred forty-seven".