8214457 has 2 divisors, whose sum is σ = 8214458. Its totient is φ = 8214456.

The previous prime is 8214439. The next prime is 8214461. The reversal of 8214457 is 7544128.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7502121 + 712336 = 2739^2 + 844^2 .

It is a cyclic number.

It is not a de Polignac number, because 8214457 - 2⁷ = 8214329 is a prime.

It is not a weakly prime, because it can be changed into another prime (8214467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4107228 + 4107229.

It is an arithmetic number, because the mean of its divisors is an integer number (4107229).

Almost surely, 2^8214457 is an apocalyptic number.

It is an amenable number.

8214457 is a deficient number, since it is larger than the sum of its proper divisors (1).

8214457 is an equidigital number, since it uses as much as digits as its factorization.

8214457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8960, while the sum is 31.

The square root of 8214457 is about 2866.0874027147. The cubic root of 8214457 is about 201.7714059510.

The spelling of 8214457 in words is "eight million, two hundred fourteen thousand, four hundred fifty-seven".