82469025 has 72 divisors (see below), whose sum is σ = 157847040. Its totient is φ = 41040000.

The previous prime is 82469017. The next prime is 82469029. The reversal of 82469025 is 52096428.

It is a happy number.

It is not a de Polignac number, because 82469025 - 2³ = 82469017 is a prime.

It is a super-2 number, since 2×82469025² = 13602280168901250, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82469029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 431680 + ... + 431870.

It is an arithmetic number, because the mean of its divisors is an integer number (2192320).

Almost surely, 2^82469025 is an apocalyptic number.

It is an amenable number.

82469025 is a deficient number, since it is larger than the sum of its proper divisors (75378015).

82469025 is a wasteful number, since it uses less digits than its factorization.

82469025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 82469025 is about 9081.2457845826. The cubic root of 82469025 is about 435.2748956067.

It can be divided in two parts, 8246 and 9025, that added together give a palindrome (17271).

The spelling of 82469025 in words is "eighty-two million, four hundred sixty-nine thousand, twenty-five".