61343345 has 24 divisors (see below), whose sum is σ = 86085504. Its totient is φ = 41840736.

The previous prime is 61343329. The next prime is 61343351. The reversal of 61343345 is 54334316.

It is not a de Polignac number, because 61343345 - 2⁴ = 61343329 is a prime.

It is a Duffinian 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 23 ways as a sum of consecutive naturals, for example, 55064 + ... + 56166.

It is an arithmetic number, because the mean of its divisors is an integer number (3586896).

Almost surely, 2^61343345 is an apocalyptic number.

It is an amenable number.

61343345 is a deficient number, since it is larger than the sum of its proper divisors (24742159).

61343345 is a wasteful number, since it uses less digits than its factorization.

61343345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349 (or 1342 counting only the distinct ones).

The product of its digits is 12960, while the sum is 29.

The square root of 61343345 is about 7832.1992441459. The cubic root of 61343345 is about 394.3869033890.

The spelling of 61343345 in words is "sixty-one million, three hundred forty-three thousand, three hundred forty-five".