82651210 has 8 divisors (see below), whose sum is σ = 148772196. Its totient is φ = 33060480.

The previous prime is 82651199. The next prime is 82651223. The reversal of 82651210 is 1215628.

It can be written as a sum of positive squares in 2 ways, for example, as 79798489 + 2852721 = 8933^2 + 1689^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4132551 + ... + 4132570.

Almost surely, 2^82651210 is an apocalyptic number.

82651210 is a deficient number, since it is larger than the sum of its proper divisors (66120986).

82651210 is a wasteful number, since it uses less digits than its factorization.

82651210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8265128.

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 82651210 is about 9091.2710882472. The cubic root of 82651210 is about 435.5951865008.

Adding to 82651210 its reverse (1215628), we get a palindrome (83866838).

The spelling of 82651210 in words is "eighty-two million, six hundred fifty-one thousand, two hundred ten".