61346855 has 4 divisors (see below), whose sum is σ = 73616232. Its totient is φ = 49077480.

The previous prime is 61346849. The next prime is 61346867. The reversal of 61346855 is 55864316.

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

It is a de Polignac number, because none of the positive numbers 2^k-61346855 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6134681 + ... + 6134690.

It is an arithmetic number, because the mean of its divisors is an integer number (18404058).

Almost surely, 2^61346855 is an apocalyptic number.

61346855 is a deficient number, since it is larger than the sum of its proper divisors (12269377).

61346855 is a wasteful number, since it uses less digits than its factorization.

61346855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12269376.

The product of its digits is 86400, while the sum is 38.

The square root of 61346855 is about 7832.4233159349. The cubic root of 61346855 is about 394.3944253766.

The spelling of 61346855 in words is "sixty-one million, three hundred forty-six thousand, eight hundred fifty-five".