82253137 has 4 divisors (see below), whose sum is σ = 84906496. Its totient is φ = 79599780.

The previous prime is 82253131. The next prime is 82253161. The reversal of 82253137 is 73135228.

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 82253137 - 2¹¹ = 82251089 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31), and also a Moran number because the ratio is a prime number: 2653327 = 82253137 / (8 + 2 + 2 + 5 + 3 + 1 + 3 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 82253099 and 82253108.

It is not an unprimeable number, because it can be changed into a prime (82253131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1326633 + ... + 1326694.

It is an arithmetic number, because the mean of its divisors is an integer number (21226624).

Almost surely, 2^82253137 is an apocalyptic number.

It is an amenable number.

82253137 is a deficient number, since it is larger than the sum of its proper divisors (2653359).

82253137 is a wasteful number, since it uses less digits than its factorization.

82253137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653358.

The product of its digits is 10080, while the sum is 31.

The square root of 82253137 is about 9069.3515203679. The cubic root of 82253137 is about 434.8947417848.

The spelling of 82253137 in words is "eighty-two million, two hundred fifty-three thousand, one hundred thirty-seven".