82430025 has 36 divisors (see below), whose sum is σ = 144810672. Its totient is φ = 41365760.

The previous prime is 82430017. The next prime is 82430053. The reversal of 82430025 is 52003428.

It is not a de Polignac number, because 82430025 - 2³ = 82430017 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82429977 and 82430004.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 19774 + ... + 23576.

Almost surely, 2^82430025 is an apocalyptic number.

82430025 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

82430025 is a deficient number, since it is larger than the sum of its proper divisors (62380647).

82430025 is a wasteful number, since it uses less digits than its factorization.

82430025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3850 (or 3828 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 82430025 is about 9079.0982481742. The cubic root of 82430025 is about 435.2062702547.

The spelling of 82430025 in words is "eighty-two million, four hundred thirty thousand, twenty-five".