80425 has 6 divisors (see below), whose sum is σ = 99758. Its totient is φ = 64320.

The previous prime is 80407. The next prime is 80429. The reversal of 80425 is 52408.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17424 + 63001 = 132^2 + 251^2 .

It is not a de Polignac number, because 80425 - 2¹⁵ = 47657 is a prime.

It is a Duffinian number.

80425 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (80429) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1584 + ... + 1633.

2⁸⁰⁴²⁵ is an apocalyptic number.

It is an amenable number.

80425 is a deficient number, since it is larger than the sum of its proper divisors (19333).

80425 is a wasteful number, since it uses less digits than its factorization.

80425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 80425 is about 283.5930182497. The cubic root of 80425 is about 43.1648619736.

It can be divided in two parts, 804 and 25, that multiplied together give a triangular number (20100 = T₂₀₀).

The spelling of 80425 in words is "eighty thousand, four hundred twenty-five".