82252637 has 4 divisors (see below), whose sum is σ = 82275900. Its totient is φ = 82229376.

The previous prime is 82252631. The next prime is 82252649. The reversal of 82252637 is 73625228.

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

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 42133081 = 6334^2 + 6491^2 .

It is a cyclic number.

It is not a de Polignac number, because 82252637 - 2¹² = 82248541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82252597 and 82252606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82252631) 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, 5108 + ... + 13805.

It is an arithmetic number, because the mean of its divisors is an integer number (20568975).

Almost surely, 2^82252637 is an apocalyptic number.

It is an amenable number.

82252637 is a deficient number, since it is larger than the sum of its proper divisors (23263).

82252637 is a wasteful number, since it uses less digits than its factorization.

82252637 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262.

The product of its digits is 40320, while the sum is 35.

The square root of 82252637 is about 9069.3239549594. The cubic root of 82252637 is about 434.8938605710.

The spelling of 82252637 in words is "eighty-two million, two hundred fifty-two thousand, six hundred thirty-seven".