814481725 has 24 divisors (see below), whose sum is σ = 1032657120. Its totient is φ = 637062720.

The previous prime is 814481711. The next prime is 814481729. The reversal of 814481725 is 527184418.

It is not a de Polignac number, because 814481725 - 2¹³ = 814473533 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (814481729) 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, 289174 + ... + 291976.

It is an arithmetic number, because the mean of its divisors is an integer number (43027380).

Almost surely, 2^814481725 is an apocalyptic number.

It is an amenable number.

814481725 is a deficient number, since it is larger than the sum of its proper divisors (218175395).

814481725 is a wasteful number, since it uses less digits than its factorization.

814481725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3069 (or 3064 counting only the distinct ones).

The product of its digits is 71680, while the sum is 40.

The square root of 814481725 is about 28539.1262129730. The cubic root of 814481725 is about 933.8858204953.

The spelling of 814481725 in words is "eight hundred fourteen million, four hundred eighty-one thousand, seven hundred twenty-five".