82025251 has 8 divisors (see below), whose sum is σ = 102265344. Its totient is φ = 63915720.

The previous prime is 82025239. The next prime is 82025267. The reversal of 82025251 is 15252028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 82025251 - 2¹¹ = 82023203 is a prime.

It is a super-2 number, since 2×82025251² = 13456283603226002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82025201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 532555 + ... + 532708.

It is an arithmetic number, because the mean of its divisors is an integer number (12783168).

Almost surely, 2^82025251 is an apocalyptic number.

82025251 is a deficient number, since it is larger than the sum of its proper divisors (20240093).

82025251 is a wasteful number, since it uses less digits than its factorization.

82025251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1065281.

The product of its (nonzero) digits is 1600, while the sum is 25.

The square root of 82025251 is about 9056.7792840502. The cubic root of 82025251 is about 434.4927385132.

Adding to 82025251 its reverse (15252028), we get a palindrome (97277279).

The spelling of 82025251 in words is "eighty-two million, twenty-five thousand, two hundred fifty-one".