10198251 has 16 divisors (see below), whose sum is σ = 17267200. Its totient is φ = 5827464.

The previous prime is 10198247. The next prime is 10198259. The reversal of 10198251 is 15289101.

It is not a de Polignac number, because 10198251 - 2² = 10198247 is a prime.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10198259) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26791 + ... + 27168.

It is an arithmetic number, because the mean of its divisors is an integer number (1079200).

Almost surely, 2^10198251 is an apocalyptic number.

10198251 is a deficient number, since it is larger than the sum of its proper divisors (7068949).

10198251 is an equidigital number, since it uses as much as digits as its factorization.

10198251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53975 (or 53969 counting only the distinct ones).

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

The square root of 10198251 is about 3193.4700562241. The cubic root of 10198251 is about 216.8578921911.

The spelling of 10198251 in words is "ten million, one hundred ninety-eight thousand, two hundred fifty-one".