7868453 has 2 divisors, whose sum is σ = 7868454. Its totient is φ = 7868452.

The previous prime is 7868449. The next prime is 7868477. The reversal of 7868453 is 3548687.

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., 7579009 + 289444 = 2753^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 7868453 - 2² = 7868449 is a prime.

It is a super-2 number, since 2×7868453² = 123825105226418, which contains 22 as substring.

It is a d-powerful number, because it can be written as 7⁷ + 8 + 6⁶ + 8 + 4⁹ + 5⁹ + 3¹⁴ .

It is a self number, because there is not a number n which added to its sum of digits gives 7868453.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7868423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3934226 + 3934227.

It is an arithmetic number, because the mean of its divisors is an integer number (3934227).

Almost surely, 2^7868453 is an apocalyptic number.

It is an amenable number.

7868453 is a deficient number, since it is larger than the sum of its proper divisors (1).

7868453 is an equidigital number, since it uses as much as digits as its factorization.

7868453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 161280, while the sum is 41.

The square root of 7868453 is about 2805.0762912976. The cubic root of 7868453 is about 198.8977109554.

The spelling of 7868453 in words is "seven million, eight hundred sixty-eight thousand, four hundred fifty-three".