61395105 has 32 divisors (see below), whose sum is σ = 100725120. Its totient is φ = 31923200.

The previous prime is 61395079. The next prime is 61395121. The reversal of 61395105 is 50159316.

It is not a de Polignac number, because 61395105 - 2¹⁵ = 61362337 is a prime.

It is a super-2 number, since 2×61395105² = 7538717835922050, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 152905 + ... + 153305.

It is an arithmetic number, because the mean of its divisors is an integer number (3147660).

Almost surely, 2^61395105 is an apocalyptic number.

It is an amenable number.

61395105 is a deficient number, since it is larger than the sum of its proper divisors (39330015).

61395105 is a wasteful number, since it uses less digits than its factorization.

61395105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 641.

The product of its (nonzero) digits is 4050, while the sum is 30.

The square root of 61395105 is about 7835.5028555926. The cubic root of 61395105 is about 394.4977968492.

The spelling of 61395105 in words is "sixty-one million, three hundred ninety-five thousand, one hundred five".