852457 has 2 divisors, whose sum is σ = 852458. Its totient is φ = 852456.

The previous prime is 852437. The next prime is 852463. The reversal of 852457 is 754258.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 534361 + 318096 = 731^2 + 564^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852457 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (852427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 426228 + 426229.

It is an arithmetic number, because the mean of its divisors is an integer number (426229).

2⁸⁵²⁴⁵⁷ is an apocalyptic number.

It is an amenable number.

852457 is a deficient number, since it is larger than the sum of its proper divisors (1).

852457 is an equidigital number, since it uses as much as digits as its factorization.

852457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 11200, while the sum is 31.

The square root of 852457 is about 923.2859795318. The cubic root of 852457 is about 94.8180079969.

The spelling of 852457 in words is "eight hundred fifty-two thousand, four hundred fifty-seven".