80825403 has 4 divisors (see below), whose sum is σ = 107767208. Its totient is φ = 53883600.

The previous prime is 80825389. The next prime is 80825413. The reversal of 80825403 is 30452808.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 80825403 - 2¹⁰ = 80824379 is a prime.

It is a super-2 number, since 2×80825403² = 13065491540224818, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80825413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13470898 + ... + 13470903.

It is an arithmetic number, because the mean of its divisors is an integer number (26941802).

Almost surely, 2^80825403 is an apocalyptic number.

80825403 is a deficient number, since it is larger than the sum of its proper divisors (26941805).

80825403 is a wasteful number, since it uses less digits than its factorization.

80825403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26941804.

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 80825403 is about 8990.2949339830. The cubic root of 80825403 is about 432.3637678898.

The spelling of 80825403 in words is "eighty million, eight hundred twenty-five thousand, four hundred three".