97194469 has 2 divisors, whose sum is σ = 97194470. Its totient is φ = 97194468.

The previous prime is 97194451. The next prime is 97194511. The reversal of 97194469 is 96449179.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65124900 + 32069569 = 8070^2 + 5663^2 .

It is a cyclic number.

It is not a de Polignac number, because 97194469 - 2¹¹ = 97192421 is a prime.

It is a super-2 number, since 2×97194469² = 18893529608383922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (97194169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48597234 + 48597235.

It is an arithmetic number, because the mean of its divisors is an integer number (48597235).

Almost surely, 2^97194469 is an apocalyptic number.

It is an amenable number.

97194469 is a deficient number, since it is larger than the sum of its proper divisors (1).

97194469 is an equidigital number, since it uses as much as digits as its factorization.

97194469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The square root of 97194469 is about 9858.7255261519. The cubic root of 97194469 is about 459.7769381648.

The spelling of 97194469 in words is "ninety-seven million, one hundred ninety-four thousand, four hundred sixty-nine".