803425405 has 8 divisors (see below), whose sum is σ = 967153752. Its totient is φ = 640711488.

The previous prime is 803425391. The next prime is 803425411. The reversal of 803425405 is 504524308.

It can be written as a sum of positive squares in 4 ways, for example, as 383161 + 803042244 = 619^2 + 28338^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 803425405 - 2¹³ = 803417213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251862 + ... + 255031.

It is an arithmetic number, because the mean of its divisors is an integer number (120894219).

Almost surely, 2^803425405 is an apocalyptic number.

It is an amenable number.

803425405 is a deficient number, since it is larger than the sum of its proper divisors (163728347).

803425405 is a wasteful number, since it uses less digits than its factorization.

803425405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507215.

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 803425405 is about 28344.7597449687. The cubic root of 803425405 is about 929.6408236463.

The spelling of 803425405 in words is "eight hundred three million, four hundred twenty-five thousand, four hundred five".