84202453 has 2 divisors, whose sum is σ = 84202454. Its totient is φ = 84202452.

The previous prime is 84202441. The next prime is 84202463. The reversal of 84202453 is 35420248.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 46539684 + 37662769 = 6822^2 + 6137^2 .

It is a cyclic number.

It is not a de Polignac number, because 84202453 - 2⁹ = 84201941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (84202403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42101226 + 42101227.

It is an arithmetic number, because the mean of its divisors is an integer number (42101227).

Almost surely, 2^84202453 is an apocalyptic number.

It is an amenable number.

84202453 is a deficient number, since it is larger than the sum of its proper divisors (1).

84202453 is an equidigital number, since it uses as much as digits as its factorization.

84202453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 84202453 is about 9176.1894596831. The cubic root of 84202453 is about 438.3034756642.

It can be divided in two parts, 8420245 and 3, that added together give a palindrome (8420248).

The spelling of 84202453 in words is "eighty-four million, two hundred two thousand, four hundred fifty-three".