61814065 has 8 divisors (see below), whose sum is σ = 74226240. Its totient is φ = 49418352.

The previous prime is 61814063. The next prime is 61814113. The reversal of 61814065 is 56041816.

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 61814065 - 2¹ = 61814063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (61814063) 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, 6772 + ... + 13018.

It is an arithmetic number, because the mean of its divisors is an integer number (9278280).

Almost surely, 2^61814065 is an apocalyptic number.

It is an amenable number.

61814065 is a deficient number, since it is larger than the sum of its proper divisors (12412175).

61814065 is a wasteful number, since it uses less digits than its factorization.

61814065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8231.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 61814065 is about 7862.1921243378. The cubic root of 61814065 is about 395.3931139476.

The spelling of 61814065 in words is "sixty-one million, eight hundred fourteen thousand, sixty-five".