234545197 has 2 divisors, whose sum is σ = 234545198. Its totient is φ = 234545196.

The previous prime is 234545189. The next prime is 234545231. The reversal of 234545197 is 791545432.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 223382916 + 11162281 = 14946^2 + 3341^2 .

It is a cyclic number.

It is not a de Polignac number, because 234545197 - 2³ = 234545189 is a prime.

It is a super-2 number, since 2×234545197² = 110022898871537618, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234545117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117272598 + 117272599.

It is an arithmetic number, because the mean of its divisors is an integer number (117272599).

Almost surely, 2^234545197 is an apocalyptic number.

It is an amenable number.

234545197 is a deficient number, since it is larger than the sum of its proper divisors (1).

234545197 is an equidigital number, since it uses as much as digits as its factorization.

234545197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 151200, while the sum is 40.

The square root of 234545197 is about 15314.8684943750. The cubic root of 234545197 is about 616.7022240352.

The spelling of 234545197 in words is "two hundred thirty-four million, five hundred forty-five thousand, one hundred ninety-seven".