80981425 has 24 divisors (see below), whose sum is σ = 115171200. Its totient is φ = 55332480.

The previous prime is 80981371. The next prime is 80981429. The reversal of 80981425 is 52418908.

It is not a de Polignac number, because 80981425 - 2¹⁹ = 80457137 is a prime.

It is a super-3 number, since 3×80981425³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80981429) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62181 + ... + 63469.

It is an arithmetic number, because the mean of its divisors is an integer number (4798800).

Almost surely, 2^80981425 is an apocalyptic number.

It is an amenable number.

80981425 is a deficient number, since it is larger than the sum of its proper divisors (34189775).

80981425 is a wasteful number, since it uses less digits than its factorization.

80981425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 80981425 is about 8998.9679963871. The cubic root of 80981425 is about 432.6417947541.

It can be divided in two parts, 80981 and 425, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 80981425 in words is "eighty million, nine hundred eighty-one thousand, four hundred twenty-five".