457243109 has 2 divisors, whose sum is σ = 457243110. Its totient is φ = 457243108.

The previous prime is 457243079. The next prime is 457243139. The reversal of 457243109 is 901342754.

It is a balanced prime because it is at equal distance from previous prime (457243079) and next prime (457243139).

It can be written as a sum of positive squares in only one way, i.e., 451435009 + 5808100 = 21247^2 + 2410^2 .

It is a cyclic number.

It is not a de Polignac number, because 457243109 - 2¹⁶ = 457177573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457243139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228621554 + 228621555.

It is an arithmetic number, because the mean of its divisors is an integer number (228621555).

Almost surely, 2^457243109 is an apocalyptic number.

It is an amenable number.

457243109 is a deficient number, since it is larger than the sum of its proper divisors (1).

457243109 is an equidigital number, since it uses as much as digits as its factorization.

457243109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 35.

The square root of 457243109 is about 21383.2436501107. The cubic root of 457243109 is about 770.3990223989.

The spelling of 457243109 in words is "four hundred fifty-seven million, two hundred forty-three thousand, one hundred nine".