82151263 has 2 divisors, whose sum is σ = 82151264. Its totient is φ = 82151262.

The previous prime is 82151257. The next prime is 82151273. The reversal of 82151263 is 36215128.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82151263 - 2⁹ = 82150751 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82151203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41075631 + 41075632.

It is an arithmetic number, because the mean of its divisors is an integer number (41075632).

Almost surely, 2^82151263 is an apocalyptic number.

82151263 is a deficient number, since it is larger than the sum of its proper divisors (1).

82151263 is an equidigital number, since it uses as much as digits as its factorization.

82151263 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 28.

The square root of 82151263 is about 9063.7333919307. The cubic root of 82151263 is about 434.7151224125.

The spelling of 82151263 in words is "eighty-two million, one hundred fifty-one thousand, two hundred sixty-three".