61087 has 8 divisors (see below), whose sum is σ = 68096. Its totient is φ = 54432.

The previous prime is 61057. The next prime is 61091. The reversal of 61087 is 78016.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 61087 - 2¹⁵ = 28319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 61087.

It is not an unprimeable number, because it can be changed into a prime (61007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 418 + ... + 544.

It is an arithmetic number, because the mean of its divisors is an integer number (8512).

2⁶¹⁰⁸⁷ is an apocalyptic number.

61087 is a deficient number, since it is larger than the sum of its proper divisors (7009).

61087 is a wasteful number, since it uses less digits than its factorization.

61087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177.

The product of its (nonzero) digits is 336, while the sum is 22.

The square root of 61087 is about 247.1578443020. The cubic root of 61087 is about 39.3836774358.

The spelling of 61087 in words is "sixty-one thousand, eighty-seven".