61058087 has 4 divisors (see below), whose sum is σ = 61090920. Its totient is φ = 61025256.

The previous prime is 61058071. The next prime is 61058111. The reversal of 61058087 is 78085016.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 61058087 - 2⁴ = 61058071 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 (61058017) 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, 13448 + ... + 17405.

It is an arithmetic number, because the mean of its divisors is an integer number (15272730).

Almost surely, 2^61058087 is an apocalyptic number.

61058087 is a deficient number, since it is larger than the sum of its proper divisors (32833).

61058087 is a wasteful number, since it uses less digits than its factorization.

61058087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32832.

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 61058087 is about 7813.9674301855. The cubic root of 61058087 is about 393.7746291137.

The spelling of 61058087 in words is "sixty-one million, fifty-eight thousand, eighty-seven".