852279469 has 2 divisors, whose sum is σ = 852279470. Its totient is φ = 852279468.

The previous prime is 852279457. The next prime is 852279481. The reversal of 852279469 is 964972258.

It is a balanced prime because it is at equal distance from previous prime (852279457) and next prime (852279481).

It can be written as a sum of positive squares in only one way, i.e., 454755625 + 397523844 = 21325^2 + 19938^2 .

It is a cyclic number.

It is not a de Polignac number, because 852279469 - 2⁵ = 852279437 is a prime.

It is a super-2 number, since 2×852279469² = 1452760586557843922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (852279419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426139734 + 426139735.

It is an arithmetic number, because the mean of its divisors is an integer number (426139735).

Almost surely, 2^852279469 is an apocalyptic number.

It is an amenable number.

852279469 is a deficient number, since it is larger than the sum of its proper divisors (1).

852279469 is an equidigital number, since it uses as much as digits as its factorization.

852279469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2177280, while the sum is 52.

The square root of 852279469 is about 29193.8258712352. The cubic root of 852279469 is about 948.1142533669.

The spelling of 852279469 in words is "eight hundred fifty-two million, two hundred seventy-nine thousand, four hundred sixty-nine".