457272689 has 2 divisors, whose sum is σ = 457272690. Its totient is φ = 457272688.

The previous prime is 457272649. The next prime is 457272703. The reversal of 457272689 is 986272754.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 457232689 + 40000 = 21383^2 + 200^2 .

It is a cyclic number.

It is not a de Polignac number, because 457272689 - 2⁸ = 457272433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (457272649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228636344 + 228636345.

It is an arithmetic number, because the mean of its divisors is an integer number (228636345).

Almost surely, 2^457272689 is an apocalyptic number.

It is an amenable number.

457272689 is a deficient number, since it is larger than the sum of its proper divisors (1).

457272689 is an equidigital number, since it uses as much as digits as its factorization.

457272689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 457272689 is about 21383.9353019972. The cubic root of 457272689 is about 770.4156349413.

The spelling of 457272689 in words is "four hundred fifty-seven million, two hundred seventy-two thousand, six hundred eighty-nine".