61936005 has 16 divisors (see below), whose sum is σ = 99227520. Its totient is φ = 32989248.

The previous prime is 61936003. The next prime is 61936013. The reversal of 61936005 is 50063916.

It is a happy number.

It is not a de Polignac number, because 61936005 - 2¹ = 61936003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61936003) 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, 11539 + ... + 16031.

It is an arithmetic number, because the mean of its divisors is an integer number (6201720).

Almost surely, 2^61936005 is an apocalyptic number.

It is an amenable number.

61936005 is a deficient number, since it is larger than the sum of its proper divisors (37291515).

61936005 is a wasteful number, since it uses less digits than its factorization.

61936005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5420.

The product of its (nonzero) digits is 4860, while the sum is 30.

The square root of 61936005 is about 7869.9431382952. The cubic root of 61936005 is about 395.6529392107.

The spelling of 61936005 in words is "sixty-one million, nine hundred thirty-six thousand, five".