61044313 has 4 divisors (see below), whose sum is σ = 66593808. Its totient is φ = 55494820.

The previous prime is 61044311. The next prime is 61044337. The reversal of 61044313 is 31344016.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 61044313 - 2¹ = 61044311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61044311) 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, 2774731 + ... + 2774752.

It is an arithmetic number, because the mean of its divisors is an integer number (16648452).

Almost surely, 2^61044313 is an apocalyptic number.

It is an amenable number.

61044313 is a deficient number, since it is larger than the sum of its proper divisors (5549495).

61044313 is a wasteful number, since it uses less digits than its factorization.

61044313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5549494.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 61044313 is about 7813.0860100219. The cubic root of 61044313 is about 393.7450165490.

Adding to 61044313 its reverse (31344016), we get a palindrome (92388329).

The spelling of 61044313 in words is "sixty-one million, forty-four thousand, three hundred thirteen".