10194557 has 4 divisors (see below), whose sum is σ = 10216320. Its totient is φ = 10172796.

The previous prime is 10194533. The next prime is 10194559. The reversal of 10194557 is 75549101.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75549101 = 41 ⋅1842661.

It is a cyclic number.

It is not a de Polignac number, because 10194557 - 2⁶ = 10194493 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 (10194559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10163 + ... + 11120.

It is an arithmetic number, because the mean of its divisors is an integer number (2554080).

Almost surely, 2^10194557 is an apocalyptic number.

It is an amenable number.

10194557 is a deficient number, since it is larger than the sum of its proper divisors (21763).

10194557 is an equidigital number, since it uses as much as digits as its factorization.

10194557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21762.

The product of its (nonzero) digits is 6300, while the sum is 32.

The square root of 10194557 is about 3192.8916361192. The cubic root of 10194557 is about 216.8317056815.

The spelling of 10194557 in words is "ten million, one hundred ninety-four thousand, five hundred fifty-seven".