80199425 has 12 divisors (see below), whose sum is σ = 99567660. Its totient is φ = 64081920.

The previous prime is 80199419. The next prime is 80199433. The reversal of 80199425 is 52499108.

It can be written as a sum of positive squares in 6 ways, for example, as 14070001 + 66129424 = 3751^2 + 8132^2 .

It is not a de Polignac number, because 80199425 - 2¹² = 80195329 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28481 + ... + 31169.

It is an arithmetic number, because the mean of its divisors is an integer number (8297305).

Almost surely, 2^80199425 is an apocalyptic number.

It is an amenable number.

80199425 is a deficient number, since it is larger than the sum of its proper divisors (19368235).

80199425 is a wasteful number, since it uses less digits than its factorization.

80199425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3892 (or 3887 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 38.

The square root of 80199425 is about 8955.4131674647. The cubic root of 80199425 is about 431.2446810238.

The spelling of 80199425 in words is "eighty million, one hundred ninety-nine thousand, four hundred twenty-five".