103293905 has 32 divisors (see below), whose sum is σ = 147692160. Its totient is φ = 68359680.

The previous prime is 103293901. The next prime is 103293913. The reversal of 103293905 is 509392301.

It is not a de Polignac number, because 103293905 - 2² = 103293901 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (103293901) 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 31 ways as a sum of consecutive naturals, for example, 51206 + ... + 53184.

It is an arithmetic number, because the mean of its divisors is an integer number (4615380).

Almost surely, 2^103293905 is an apocalyptic number.

It is an amenable number.

103293905 is a deficient number, since it is larger than the sum of its proper divisors (44398255).

103293905 is a wasteful number, since it uses less digits than its factorization.

103293905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2081.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 103293905 is about 10163.3609106437. The cubic root of 103293905 is about 469.2002469724.

The spelling of 103293905 in words is "one hundred three million, two hundred ninety-three thousand, nine hundred five".