61336577 has 4 divisors (see below), whose sum is σ = 62376240. Its totient is φ = 60296916.

The previous prime is 61336567. The next prime is 61336591. The reversal of 61336577 is 77563316.

61336577 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 a de Polignac number, because none of the positive numbers 2^k-61336577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 61336577.

It is not an unprimeable number, because it can be changed into a prime (61336567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 519743 + ... + 519860.

It is an arithmetic number, because the mean of its divisors is an integer number (15594060).

Almost surely, 2^61336577 is an apocalyptic number.

It is an amenable number.

61336577 is a deficient number, since it is larger than the sum of its proper divisors (1039663).

61336577 is a wasteful number, since it uses less digits than its factorization.

61336577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039662.

The product of its digits is 79380, while the sum is 38.

The square root of 61336577 is about 7831.7671696751. The cubic root of 61336577 is about 394.3723986440.

The spelling of 61336577 in words is "sixty-one million, three hundred thirty-six thousand, five hundred seventy-seven".