82317137 has 4 divisors (see below), whose sum is σ = 94076736. Its totient is φ = 70557540.

The previous prime is 82317113. The next prime is 82317143. The reversal of 82317137 is 73171328.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 82317137 - 2²² = 78122833 is a prime.

It is a super-2 number, since 2×82317137² = 13552222087753538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (82317337) 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, 5879789 + ... + 5879802.

It is an arithmetic number, because the mean of its divisors is an integer number (23519184).

Almost surely, 2^82317137 is an apocalyptic number.

It is an amenable number.

82317137 is a deficient number, since it is larger than the sum of its proper divisors (11759599).

82317137 is a wasteful number, since it uses less digits than its factorization.

82317137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759598.

The product of its digits is 7056, while the sum is 32.

The square root of 82317137 is about 9072.8792012238. The cubic root of 82317137 is about 435.0075076874.

The spelling of 82317137 in words is "eighty-two million, three hundred seventeen thousand, one hundred thirty-seven".