83256137 has 2 divisors, whose sum is σ = 83256138. Its totient is φ = 83256136.

The previous prime is 83256073. The next prime is 83256149. The reversal of 83256137 is 73165238.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 82882816 + 373321 = 9104^2 + 611^2 .

It is a cyclic number.

It is not a de Polignac number, because 83256137 - 2⁶ = 83256073 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 83256097 and 83256106.

It is not a weakly prime, because it can be changed into another prime (83256037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41628068 + 41628069.

It is an arithmetic number, because the mean of its divisors is an integer number (41628069).

Almost surely, 2^83256137 is an apocalyptic number.

It is an amenable number.

83256137 is a deficient number, since it is larger than the sum of its proper divisors (1).

83256137 is an equidigital number, since it uses as much as digits as its factorization.

83256137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 35.

The square root of 83256137 is about 9124.4800947780. The cubic root of 83256137 is about 436.6553162820.

The spelling of 83256137 in words is "eighty-three million, two hundred fifty-six thousand, one hundred thirty-seven".