234513397 has 2 divisors, whose sum is σ = 234513398. Its totient is φ = 234513396.

The previous prime is 234513337. The next prime is 234513407. The reversal of 234513397 is 793315432.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 226622916 + 7890481 = 15054^2 + 2809^2 .

It is a cyclic number.

It is not a de Polignac number, because 234513397 - 2⁷ = 234513269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (234513337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117256698 + 117256699.

It is an arithmetic number, because the mean of its divisors is an integer number (117256699).

Almost surely, 2^234513397 is an apocalyptic number.

It is an amenable number.

234513397 is a deficient number, since it is larger than the sum of its proper divisors (1).

234513397 is an equidigital number, since it uses as much as digits as its factorization.

234513397 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 37.

The square root of 234513397 is about 15313.8302524222. The cubic root of 234513397 is about 616.6743516289.

The spelling of 234513397 in words is "two hundred thirty-four million, five hundred thirteen thousand, three hundred ninety-seven".