61000567 has 4 divisors (see below), whose sum is σ = 61439560. Its totient is φ = 60561576.

The previous prime is 61000553. The next prime is 61000571. The reversal of 61000567 is 76500016.

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 61000567 - 2¹¹ = 60998519 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 (61000517) 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, 219288 + ... + 219565.

It is an arithmetic number, because the mean of its divisors is an integer number (15359890).

Almost surely, 2^61000567 is an apocalyptic number.

61000567 is a deficient number, since it is larger than the sum of its proper divisors (438993).

61000567 is a wasteful number, since it uses less digits than its factorization.

61000567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 438992.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 61000567 is about 7810.2859742778. The cubic root of 61000567 is about 393.6509379752.

The spelling of 61000567 in words is "sixty-one million, five hundred sixty-seven", and thus it is an aban number.