10402005 has 16 divisors (see below), whose sum is σ = 16801344. Its totient is φ = 5495040.

The previous prime is 10401973. The next prime is 10402031. The reversal of 10402005 is 50020401.

It is not a de Polignac number, because 10402005 - 2⁵ = 10401973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1636 + ... + 4845.

It is an arithmetic number, because the mean of its divisors is an integer number (1050084).

Almost surely, 2^10402005 is an apocalyptic number.

10402005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10402005 is a deficient number, since it is larger than the sum of its proper divisors (6399339).

10402005 is a wasteful number, since it uses less digits than its factorization.

10402005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6596.

The product of its (nonzero) digits is 40, while the sum is 12.

The square root of 10402005 is about 3225.2139463918. The cubic root of 10402005 is about 218.2926029079.

Adding to 10402005 its reverse (50020401), we get a palindrome (60422406).

The spelling of 10402005 in words is "ten million, four hundred two thousand, five".