194556097 has 2 divisors, whose sum is σ = 194556098. Its totient is φ = 194556096.

The previous prime is 194556083. The next prime is 194556107. The reversal of 194556097 is 790655491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 136048896 + 58507201 = 11664^2 + 7649^2 .

It is a cyclic number.

It is not a de Polignac number, because 194556097 - 2¹⁹ = 194031809 is a prime.

It is not a weakly prime, because it can be changed into another prime (194556017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97278048 + 97278049.

It is an arithmetic number, because the mean of its divisors is an integer number (97278049).

Almost surely, 2^194556097 is an apocalyptic number.

It is an amenable number.

194556097 is a deficient number, since it is larger than the sum of its proper divisors (1).

194556097 is an equidigital number, since it uses as much as digits as its factorization.

194556097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 340200, while the sum is 46.

The square root of 194556097 is about 13948.3367108770. The cubic root of 194556097 is about 579.4486407181.

It can be divided in two parts, 19455 and 6097, that added together give a palindrome (25552).

The spelling of 194556097 in words is "one hundred ninety-four million, five hundred fifty-six thousand, ninety-seven".