61346559 has 4 divisors (see below), whose sum is σ = 81795416. Its totient is φ = 40897704.

The previous prime is 61346539. The next prime is 61346567. The reversal of 61346559 is 95564316.

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

It is not a de Polignac number, because 61346559 - 2⁷ = 61346431 is a prime.

It is a super-2 number, since 2×61346559² = 7526800602280962, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61346539) 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, 10224424 + ... + 10224429.

It is an arithmetic number, because the mean of its divisors is an integer number (20448854).

Almost surely, 2^61346559 is an apocalyptic number.

61346559 is a deficient number, since it is larger than the sum of its proper divisors (20448857).

61346559 is a wasteful number, since it uses less digits than its factorization.

61346559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20448856.

The product of its digits is 97200, while the sum is 39.

The square root of 61346559 is about 7832.4044200999. The cubic root of 61346559 is about 394.3937910548.

The spelling of 61346559 in words is "sixty-one million, three hundred forty-six thousand, five hundred fifty-nine".