234464521 has 2 divisors, whose sum is σ = 234464522. Its totient is φ = 234464520.

The previous prime is 234464519. The next prime is 234464639. The reversal of 234464521 is 125464432.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 232105225 + 2359296 = 15235^2 + 1536^2 .

It is a cyclic number.

It is not a de Polignac number, because 234464521 - 2¹ = 234464519 is a prime.

It is a super-2 number, since 2×234464521² = 109947223215518882, which contains 22 as substring.

Together with 234464519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (234464821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 117232260 + 117232261.

It is an arithmetic number, because the mean of its divisors is an integer number (117232261).

Almost surely, 2^234464521 is an apocalyptic number.

It is an amenable number.

234464521 is a deficient number, since it is larger than the sum of its proper divisors (1).

234464521 is an equidigital number, since it uses as much as digits as its factorization.

234464521 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23040, while the sum is 31.

The square root of 234464521 is about 15312.2343568795. The cubic root of 234464521 is about 616.6315073534.

The spelling of 234464521 in words is "two hundred thirty-four million, four hundred sixty-four thousand, five hundred twenty-one".