85022453 has 2 divisors, whose sum is σ = 85022454. Its totient is φ = 85022452.

The previous prime is 85022449. The next prime is 85022477. The reversal of 85022453 is 35422058.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84235684 + 786769 = 9178^2 + 887^2 .

It is a cyclic number.

It is not a de Polignac number, because 85022453 - 2² = 85022449 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (85025453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42511226 + 42511227.

It is an arithmetic number, because the mean of its divisors is an integer number (42511227).

Almost surely, 2^85022453 is an apocalyptic number.

It is an amenable number.

85022453 is a deficient number, since it is larger than the sum of its proper divisors (1).

85022453 is an equidigital number, since it uses as much as digits as its factorization.

85022453 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 85022453 is about 9220.7620617821. The cubic root of 85022453 is about 439.7216783238.

The spelling of 85022453 in words is "eighty-five million, twenty-two thousand, four hundred fifty-three".