10199957 has 4 divisors (see below), whose sum is σ = 10257120. Its totient is φ = 10142796.

The previous prime is 10199923. The next prime is 10199963. The reversal of 10199957 is 75999101.

It is a happy number.

10199957 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10199957 - 2⁸ = 10199701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10199977) 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 3 ways as a sum of consecutive naturals, for example, 28313 + ... + 28670.

It is an arithmetic number, because the mean of its divisors is an integer number (2564280).

Almost surely, 2^10199957 is an apocalyptic number.

It is an amenable number.

10199957 is a deficient number, since it is larger than the sum of its proper divisors (57163).

10199957 is an equidigital number, since it uses as much as digits as its factorization.

10199957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57162.

The product of its (nonzero) digits is 25515, while the sum is 41.

The square root of 10199957 is about 3193.7371526160. The cubic root of 10199957 is about 216.8699837722.

The spelling of 10199957 in words is "ten million, one hundred ninety-nine thousand, nine hundred fifty-seven".