853265449 has 2 divisors, whose sum is σ = 853265450. Its totient is φ = 853265448.

The previous prime is 853265417. The next prime is 853265503. The reversal of 853265449 is 944562358.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 633277225 + 219988224 = 25165^2 + 14832^2 .

It is a cyclic number.

It is not a de Polignac number, because 853265449 - 2⁵ = 853265417 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 853265399 and 853265408.

It is not a weakly prime, because it can be changed into another prime (853265849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426632724 + 426632725.

It is an arithmetic number, because the mean of its divisors is an integer number (426632725).

Almost surely, 2^853265449 is an apocalyptic number.

It is an amenable number.

853265449 is a deficient number, since it is larger than the sum of its proper divisors (1).

853265449 is an equidigital number, since it uses as much as digits as its factorization.

853265449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1036800, while the sum is 46.

The square root of 853265449 is about 29210.7077798536. The cubic root of 853265449 is about 948.4797287251.

The spelling of 853265449 in words is "eight hundred fifty-three million, two hundred sixty-five thousand, four hundred forty-nine".