83242549 has 4 divisors (see below), whose sum is σ = 89645836. Its totient is φ = 76839264.

The previous prime is 83242529. The next prime is 83242559. The reversal of 83242549 is 94524238.

It is a happy number.

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 4796100 + 78446449 = 2190^2 + 8857^2 .

It is a cyclic number.

It is not a de Polignac number, because 83242549 - 2²¹ = 81145397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83242519) 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, 3201624 + ... + 3201649.

It is an arithmetic number, because the mean of its divisors is an integer number (22411459).

Almost surely, 2^83242549 is an apocalyptic number.

It is an amenable number.

83242549 is a deficient number, since it is larger than the sum of its proper divisors (6403287).

83242549 is a wasteful number, since it uses less digits than its factorization.

83242549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403286.

The product of its digits is 69120, while the sum is 37.

The square root of 83242549 is about 9123.7354740260. The cubic root of 83242549 is about 436.6315598941.

The spelling of 83242549 in words is "eighty-three million, two hundred forty-two thousand, five hundred forty-nine".