83254819 has 2 divisors, whose sum is σ = 83254820. Its totient is φ = 83254818.

The previous prime is 83254817. The next prime is 83254849. The reversal of 83254819 is 91845238.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 83254819 - 2¹ = 83254817 is a prime.

It is a super-2 number, since 2×83254819² = 13862729773445522, which contains 22 as substring.

Together with 83254817, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83254817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41627409 + 41627410.

It is an arithmetic number, because the mean of its divisors is an integer number (41627410).

Almost surely, 2^83254819 is an apocalyptic number.

83254819 is a deficient number, since it is larger than the sum of its proper divisors (1).

83254819 is an equidigital number, since it uses as much as digits as its factorization.

83254819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 40.

The square root of 83254819 is about 9124.4078711991. The cubic root of 83254819 is about 436.6530120885.

The spelling of 83254819 in words is "eighty-three million, two hundred fifty-four thousand, eight hundred nineteen".