87035549 has 2 divisors, whose sum is σ = 87035550. Its totient is φ = 87035548.

The previous prime is 87035537. The next prime is 87035573. The reversal of 87035549 is 94553078.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48372025 + 38663524 = 6955^2 + 6218^2 .

It is a cyclic number.

It is not a de Polignac number, because 87035549 - 2²⁰ = 85986973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87035449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43517774 + 43517775.

It is an arithmetic number, because the mean of its divisors is an integer number (43517775).

Almost surely, 2^87035549 is an apocalyptic number.

It is an amenable number.

87035549 is a deficient number, since it is larger than the sum of its proper divisors (1).

87035549 is an equidigital number, since it uses as much as digits as its factorization.

87035549 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 151200, while the sum is 41.

The square root of 87035549 is about 9329.2844848895. The cubic root of 87035549 is about 443.1651061779.

The spelling of 87035549 in words is "eighty-seven million, thirty-five thousand, five hundred forty-nine".