457238357 has 2 divisors, whose sum is σ = 457238358. Its totient is φ = 457238356.

The previous prime is 457238329. The next prime is 457238407. The reversal of 457238357 is 753832754.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 237190801 + 220047556 = 15401^2 + 14834^2 .

It is a cyclic number.

It is not a de Polignac number, because 457238357 - 2⁶ = 457238293 is a prime.

It is a super-2 number, since 2×457238357² = 418133830224118898, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (457238317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 228619178 + 228619179.

It is an arithmetic number, because the mean of its divisors is an integer number (228619179).

Almost surely, 2^457238357 is an apocalyptic number.

It is an amenable number.

457238357 is a deficient number, since it is larger than the sum of its proper divisors (1).

457238357 is an equidigital number, since it uses as much as digits as its factorization.

457238357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 705600, while the sum is 44.

The square root of 457238357 is about 21383.1325347808. The cubic root of 457238357 is about 770.3963535423.

The spelling of 457238357 in words is "four hundred fifty-seven million, two hundred thirty-eight thousand, three hundred fifty-seven".