853752499 has 2 divisors, whose sum is σ = 853752500. Its totient is φ = 853752498.

The previous prime is 853752481. The next prime is 853752521. The reversal of 853752499 is 994257358.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 853752499 - 2⁷ = 853752371 is a prime.

It is not a weakly prime, because it can be changed into another prime (853752409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426876249 + 426876250.

It is an arithmetic number, because the mean of its divisors is an integer number (426876250).

Almost surely, 2^853752499 is an apocalyptic number.

853752499 is a deficient number, since it is larger than the sum of its proper divisors (1).

853752499 is an equidigital number, since it uses as much as digits as its factorization.

853752499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2721600, while the sum is 52.

The square root of 853752499 is about 29219.0434306122. The cubic root of 853752499 is about 948.6601607286.

The spelling of 853752499 in words is "eight hundred fifty-three million, seven hundred fifty-two thousand, four hundred ninety-nine".