83540353 has 4 divisors (see below), whose sum is σ = 89966548. Its totient is φ = 77114160.

The previous prime is 83540351. The next prime is 83540417. The reversal of 83540353 is 35304538.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 52881984 + 30658369 = 7272^2 + 5537^2 .

It is a cyclic number.

It is not a de Polignac number, because 83540353 - 2¹ = 83540351 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83540351) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3213078 + ... + 3213103.

It is an arithmetic number, because the mean of its divisors is an integer number (22491637).

Almost surely, 2^83540353 is an apocalyptic number.

It is an amenable number.

83540353 is a deficient number, since it is larger than the sum of its proper divisors (6426195).

83540353 is a wasteful number, since it uses less digits than its factorization.

83540353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6426194.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 83540353 is about 9140.0411924674. The cubic root of 83540353 is about 437.1516299408.

The spelling of 83540353 in words is "eighty-three million, five hundred forty thousand, three hundred fifty-three".