82725259 has 4 divisors (see below), whose sum is σ = 87079240. Its totient is φ = 78371280.

The previous prime is 82725193. The next prime is 82725277. The reversal of 82725259 is 95252728.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82725259 - 2⁷ = 82725131 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82725289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2176962 + ... + 2176999.

It is an arithmetic number, because the mean of its divisors is an integer number (21769810).

Almost surely, 2^82725259 is an apocalyptic number.

82725259 is a deficient number, since it is larger than the sum of its proper divisors (4353981).

82725259 is a wasteful number, since it uses less digits than its factorization.

82725259 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4353980.

The product of its digits is 100800, while the sum is 40.

The square root of 82725259 is about 9095.3427093211. The cubic root of 82725259 is about 435.7252340423.

It can be divided in two parts, 8272 and 5259, that added together give a palindrome (13531).

The spelling of 82725259 in words is "eighty-two million, seven hundred twenty-five thousand, two hundred fifty-nine".