82455251 has 2 divisors, whose sum is σ = 82455252. Its totient is φ = 82455250.

The previous prime is 82455221. The next prime is 82455293. The reversal of 82455251 is 15255428.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 82455251 - 2¹⁰ = 82454227 is a prime.

It is not a weakly prime, because it can be changed into another prime (82455221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41227625 + 41227626.

It is an arithmetic number, because the mean of its divisors is an integer number (41227626).

Almost surely, 2^82455251 is an apocalyptic number.

82455251 is a deficient number, since it is larger than the sum of its proper divisors (1).

82455251 is an equidigital number, since it uses as much as digits as its factorization.

82455251 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16000, while the sum is 32.

The square root of 82455251 is about 9080.4873767877. The cubic root of 82455251 is about 435.2506610118.

The spelling of 82455251 in words is "eighty-two million, four hundred fifty-five thousand, two hundred fifty-one".