65041905 has 16 divisors (see below), whose sum is σ = 105494400. Its totient is φ = 34213248.

The previous prime is 65041903. The next prime is 65041913. The reversal of 65041905 is 50914056.

It is not a de Polignac number, because 65041905 - 2¹ = 65041903 is a prime.

It is not an unprimeable number, because it can be changed into a prime (65041901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28605 + ... + 30794.

It is an arithmetic number, because the mean of its divisors is an integer number (6593400).

Almost surely, 2^65041905 is an apocalyptic number.

It is an amenable number.

65041905 is a deficient number, since it is larger than the sum of its proper divisors (40452495).

65041905 is a wasteful number, since it uses less digits than its factorization.

65041905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59480.

The product of its (nonzero) digits is 5400, while the sum is 30.

The square root of 65041905 is about 8064.8561673473. The cubic root of 65041905 is about 402.1589616631.

The spelling of 65041905 in words is "sixty-five million, forty-one thousand, nine hundred five".