61924117 has 4 divisors (see below), whose sum is σ = 62101900. Its totient is φ = 61746336.

The previous prime is 61924111. The next prime is 61924123. The reversal of 61924117 is 71142916.

61924117 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.

It is an interprime number because it is at equal distance from previous prime (61924111) and next prime (61924123).

It can be written as a sum of positive squares in 2 ways, for example, as 17648401 + 44275716 = 4201^2 + 6654^2 .

It is a cyclic number.

It is not a de Polignac number, because 61924117 - 2⁷ = 61923989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61924111) 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, 88368 + ... + 89065.

It is an arithmetic number, because the mean of its divisors is an integer number (15525475).

Almost surely, 2^61924117 is an apocalyptic number.

It is an amenable number.

61924117 is a deficient number, since it is larger than the sum of its proper divisors (177783).

61924117 is a wasteful number, since it uses less digits than its factorization.

61924117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177782.

The product of its digits is 3024, while the sum is 31.

The square root of 61924117 is about 7869.1878234034. The cubic root of 61924117 is about 395.6276237091.

The spelling of 61924117 in words is "sixty-one million, nine hundred twenty-four thousand, one hundred seventeen".