850453 has 2 divisors, whose sum is σ = 850454. Its totient is φ = 850452.

The previous prime is 850439. The next prime is 850457. The reversal of 850453 is 354058.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 544644 + 305809 = 738^2 + 553^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-850453 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (850457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425226 + 425227.

It is an arithmetic number, because the mean of its divisors is an integer number (425227).

2⁸⁵⁰⁴⁵³ is an apocalyptic number.

It is an amenable number.

850453 is a deficient number, since it is larger than the sum of its proper divisors (1).

850453 is an equidigital number, since it uses as much as digits as its factorization.

850453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 850453 is about 922.2000867491. The cubic root of 850453 is about 94.7436486717.

The spelling of 850453 in words is "eight hundred fifty thousand, four hundred fifty-three".