872453 has 2 divisors, whose sum is σ = 872454. Its totient is φ = 872452.

The previous prime is 872441. The next prime is 872471. The reversal of 872453 is 354278.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 806404 + 66049 = 898^2 + 257^2 .

It is a cyclic number.

It is not a de Polignac number, because 872453 - 2⁴ = 872437 is a prime.

It is a super-2 number, since 2×872453² = 1522348474418, which contains 22 as substring.

It is a Chen prime.

It is a d-powerful number, because it can be written as 8⁵ + 7⁷ + 4⁶ + 2¹³ + 5⁵ + 3⁶ .

It is equal to p₆₉₂₇₅ and since 872453 and 69275 have the same sum of digits, it is a Honaker prime.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (872353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436226 + 436227.

It is an arithmetic number, because the mean of its divisors is an integer number (436227).

2⁸⁷²⁴⁵³ is an apocalyptic number.

It is an amenable number.

872453 is a deficient number, since it is larger than the sum of its proper divisors (1).

872453 is an equidigital number, since it uses as much as digits as its factorization.

872453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6720, while the sum is 29.

The square root of 872453 is about 934.0519257515. The cubic root of 872453 is about 95.5536644559.

The spelling of 872453 in words is "eight hundred seventy-two thousand, four hundred fifty-three".