80450025 has 48 divisors (see below), whose sum is σ = 139437504. Its totient is φ = 40884480.

The previous prime is 80450023. The next prime is 80450039. The reversal of 80450025 is 52005408.

It is not a de Polignac number, because 80450025 - 2¹ = 80450023 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80449977 and 80450004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80450023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 146802 + ... + 147348.

It is an arithmetic number, because the mean of its divisors is an integer number (2904948).

Almost surely, 2^80450025 is an apocalyptic number.

It is an amenable number.

80450025 is a deficient number, since it is larger than the sum of its proper divisors (58987479).

80450025 is a wasteful number, since it uses less digits than its factorization.

80450025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650 (or 645 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 80450025 is about 8969.3937922248. The cubic root of 80450025 is about 431.6933856110.

The spelling of 80450025 in words is "eighty million, four hundred fifty thousand, twenty-five".