10251918 has 24 divisors (see below), whose sum is σ = 23519808. Its totient is φ = 3216192.

The previous prime is 10251907. The next prime is 10251937. The reversal of 10251918 is 81915201.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 10251891 and 10251900.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 16446 + ... + 17057.

It is an arithmetic number, because the mean of its divisors is an integer number (979992).

Almost surely, 2^10251918 is an apocalyptic number.

10251918 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10251918 is an abundant number, since it is smaller than the sum of its proper divisors (13267890).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10251918 is a wasteful number, since it uses less digits than its factorization.

10251918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33528 (or 33525 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 27.

The square root of 10251918 is about 3201.8616459804. The cubic root of 10251918 is about 217.2376225743.

The spelling of 10251918 in words is "ten million, two hundred fifty-one thousand, nine hundred eighteen".