814203425 has 24 divisors (see below), whose sum is σ = 1155092736. Its totient is φ = 557706240.

The previous prime is 814203421. The next prime is 814203431. The reversal of 814203425 is 524302418.

It is a happy number.

It is not a de Polignac number, because 814203425 - 2² = 814203421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (814203421) 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, 211064 + ... + 214886.

It is an arithmetic number, because the mean of its divisors is an integer number (48128864).

Almost surely, 2^814203425 is an apocalyptic number.

It is an amenable number.

814203425 is a deficient number, since it is larger than the sum of its proper divisors (340889311).

814203425 is a wasteful number, since it uses less digits than its factorization.

814203425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5057 (or 5052 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 814203425 is about 28534.2500339504. The cubic root of 814203425 is about 933.7794419958.

The spelling of 814203425 in words is "eight hundred fourteen million, two hundred three thousand, four hundred twenty-five".