10261863 has 32 divisors (see below), whose sum is σ = 16358400. Its totient is φ = 6334848.

The previous prime is 10261861. The next prime is 10261873. The reversal of 10261863 is 36816201.

It is not a de Polignac number, because 10261863 - 2¹ = 10261861 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10261861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36120 + ... + 36402.

It is an arithmetic number, because the mean of its divisors is an integer number (511200).

Almost surely, 2^10261863 is an apocalyptic number.

10261863 is a deficient number, since it is larger than the sum of its proper divisors (6096537).

10261863 is a wasteful number, since it uses less digits than its factorization.

10261863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388 (or 382 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 10261863 is about 3203.4142723038. The cubic root of 10261863 is about 217.3078445545.

The spelling of 10261863 in words is "ten million, two hundred sixty-one thousand, eight hundred sixty-three".