853265503 has 2 divisors, whose sum is σ = 853265504. Its totient is φ = 853265502.

The previous prime is 853265449. The next prime is 853265519. The reversal of 853265503 is 305562358.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 853265503 - 2⁹ = 853264991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (853265573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426632751 + 426632752.

It is an arithmetic number, because the mean of its divisors is an integer number (426632752).

Almost surely, 2^853265503 is an apocalyptic number.

853265503 is a deficient number, since it is larger than the sum of its proper divisors (1).

853265503 is an equidigital number, since it uses as much as digits as its factorization.

853265503 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108000, while the sum is 37.

The square root of 853265503 is about 29210.7087041722. The cubic root of 853265503 is about 948.4797487337.

The spelling of 853265503 in words is "eight hundred fifty-three million, two hundred sixty-five thousand, five hundred three".