83630453 has 2 divisors, whose sum is σ = 83630454. Its totient is φ = 83630452.

The previous prime is 83630441. The next prime is 83630473. The reversal of 83630453 is 35403638.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83576164 + 54289 = 9142^2 + 233^2 .

It is a cyclic number.

It is not a de Polignac number, because 83630453 - 2¹⁶ = 83564917 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83630423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41815226 + 41815227.

It is an arithmetic number, because the mean of its divisors is an integer number (41815227).

Almost surely, 2^83630453 is an apocalyptic number.

It is an amenable number.

83630453 is a deficient number, since it is larger than the sum of its proper divisors (1).

83630453 is an equidigital number, since it uses as much as digits as its factorization.

83630453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 83630453 is about 9144.9687260263. The cubic root of 83630453 is about 437.3087325022.

The spelling of 83630453 in words is "eighty-three million, six hundred thirty thousand, four hundred fifty-three".