82253131 has 2 divisors, whose sum is σ = 82253132. Its totient is φ = 82253130.

The previous prime is 82253117. The next prime is 82253161. The reversal of 82253131 is 13135228.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82253131 - 2¹⁷ = 82122059 is a prime.

It is a super-2 number, since 2×82253131² = 13531155118606322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82253096 and 82253105.

It is not a weakly prime, because it can be changed into another prime (82253161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41126565 + 41126566.

It is an arithmetic number, because the mean of its divisors is an integer number (41126566).

Almost surely, 2^82253131 is an apocalyptic number.

82253131 is a deficient number, since it is larger than the sum of its proper divisors (1).

82253131 is an equidigital number, since it uses as much as digits as its factorization.

82253131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1440, while the sum is 25.

The square root of 82253131 is about 9069.3511895835. The cubic root of 82253131 is about 434.8947312103.

Adding to 82253131 its reverse (13135228), we get a palindrome (95388359).

The spelling of 82253131 in words is "eighty-two million, two hundred fifty-three thousand, one hundred thirty-one".