87049 has 2 divisors, whose sum is σ = 87050. Its totient is φ = 87048.

The previous prime is 87041. The next prime is 87071. The reversal of 87049 is 94078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 78400 + 8649 = 280^2 + 93^2 .

It is a cyclic number.

It is not a de Polignac number, because 87049 - 2³ = 87041 is a prime.

It is a Chen prime.

87049 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (87041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43524 + 43525.

It is an arithmetic number, because the mean of its divisors is an integer number (43525).

2⁸⁷⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

87049 is a deficient number, since it is larger than the sum of its proper divisors (1).

87049 is an equidigital number, since it uses as much as digits as its factorization.

87049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 87049 is about 295.0406751619. The cubic root of 87049 is about 44.3187934807.

It can be divided in two parts, 870 and 49, that added together give a palindrome (919).

The spelling of 87049 in words is "eighty-seven thousand, forty-nine".