10261905 has 8 divisors (see below), whose sum is σ = 16419072. Its totient is φ = 5473008.

The previous prime is 10261883. The next prime is 10261963. The reversal of 10261905 is 50916201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 10261905 - 2⁵ = 10261873 is a prime.

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 7 ways as a sum of consecutive naturals, for example, 342049 + ... + 342078.

It is an arithmetic number, because the mean of its divisors is an integer number (2052384).

Almost surely, 2^10261905 is an apocalyptic number.

10261905 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10261905 is a deficient number, since it is larger than the sum of its proper divisors (6157167).

10261905 is an equidigital number, since it uses as much as digits as its factorization.

10261905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684135.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 10261905 is about 3203.4208278027. The cubic root of 10261905 is about 217.3081410217.

The spelling of 10261905 in words is "ten million, two hundred sixty-one thousand, nine hundred five".