872269 has 2 divisors, whose sum is σ = 872270. Its totient is φ = 872268.

The previous prime is 872257. The next prime is 872281. The reversal of 872269 is 962278.

872269 is nontrivially palindromic in base 16.

It is a balanced prime because it is at equal distance from previous prime (872257) and next prime (872281).

It can be written as a sum of positive squares in only one way, i.e., 722500 + 149769 = 850^2 + 387^2 .

It is a cyclic number.

It is not a de Polignac number, because 872269 - 2⁵ = 872237 is a prime.

It is a super-2 number, since 2×872269² = 1521706416722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436134 + 436135.

It is an arithmetic number, because the mean of its divisors is an integer number (436135).

2⁸⁷²²⁶⁹ is an apocalyptic number.

It is an amenable number.

872269 is a deficient number, since it is larger than the sum of its proper divisors (1).

872269 is an equidigital number, since it uses as much as digits as its factorization.

872269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 872269 is about 933.9534249629. The cubic root of 872269 is about 95.5469465733.

Subtracting 872269 from its reverse (962278), we obtain a palindrome (90009).

The spelling of 872269 in words is "eight hundred seventy-two thousand, two hundred sixty-nine".