424934197 has 2 divisors, whose sum is σ = 424934198. Its totient is φ = 424934196.

The previous prime is 424934179. The next prime is 424934201. The reversal of 424934197 is 791439424.

Together with previous prime (424934179) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 351900081 + 73034116 = 18759^2 + 8546^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424934197 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (424934137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212467098 + 212467099.

It is an arithmetic number, because the mean of its divisors is an integer number (212467099).

Almost surely, 2^424934197 is an apocalyptic number.

It is an amenable number.

424934197 is a deficient number, since it is larger than the sum of its proper divisors (1).

424934197 is an equidigital number, since it uses as much as digits as its factorization.

424934197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 424934197 is about 20613.9321091343. The cubic root of 424934197 is about 751.8084931132.

The spelling of 424934197 in words is "four hundred twenty-four million, nine hundred thirty-four thousand, one hundred ninety-seven".