262421233 has 2 divisors, whose sum is σ = 262421234. Its totient is φ = 262421232.

The previous prime is 262421227. The next prime is 262421251. The reversal of 262421233 is 332124262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 261695329 + 725904 = 16177^2 + 852^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-262421233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 262421198 and 262421207.

It is not a weakly prime, because it can be changed into another prime (262421273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 131210616 + 131210617.

It is an arithmetic number, because the mean of its divisors is an integer number (131210617).

Almost surely, 2^262421233 is an apocalyptic number.

It is an amenable number.

262421233 is a deficient number, since it is larger than the sum of its proper divisors (1).

262421233 is an equidigital number, since it uses as much as digits as its factorization.

262421233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 25.

The square root of 262421233 is about 16199.4207612495. The cubic root of 262421233 is about 640.2255333066.

Adding to 262421233 its reverse (332124262), we get a palindrome (594545495).

The spelling of 262421233 in words is "two hundred sixty-two million, four hundred twenty-one thousand, two hundred thirty-three".