457243253 has 2 divisors, whose sum is σ = 457243254. Its totient is φ = 457243252.

The previous prime is 457243247. The next prime is 457243291. The reversal of 457243253 is 352342754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 456335044 + 908209 = 21362^2 + 953^2 .

It is a cyclic number.

It is not a de Polignac number, because 457243253 - 2²² = 453048949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457243223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228621626 + 228621627.

It is an arithmetic number, because the mean of its divisors is an integer number (228621627).

Almost surely, 2^457243253 is an apocalyptic number.

It is an amenable number.

457243253 is a deficient number, since it is larger than the sum of its proper divisors (1).

457243253 is an equidigital number, since it uses as much as digits as its factorization.

457243253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 100800, while the sum is 35.

The square root of 457243253 is about 21383.2470172329. The cubic root of 457243253 is about 770.3991032730.

The spelling of 457243253 in words is "four hundred fifty-seven million, two hundred forty-three thousand, two hundred fifty-three".