61343259 has 16 divisors (see below), whose sum is σ = 87467040. Its totient is φ = 38105600.

The previous prime is 61343251. The next prime is 61343273. The reversal of 61343259 is 95234316.

It is a cyclic number.

It is not a de Polignac number, because 61343259 - 2³ = 61343251 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (61343251) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 804 + ... + 11105.

It is an arithmetic number, because the mean of its divisors is an integer number (5466690).

Almost surely, 2^61343259 is an apocalyptic number.

61343259 is a deficient number, since it is larger than the sum of its proper divisors (26123781).

61343259 is a wasteful number, since it uses less digits than its factorization.

61343259 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12030.

The product of its digits is 19440, while the sum is 33.

The square root of 61343259 is about 7832.1937539874. The cubic root of 61343259 is about 394.3867190860.

The spelling of 61343259 in words is "sixty-one million, three hundred forty-three thousand, two hundred fifty-nine".