7008457 has 2 divisors, whose sum is σ = 7008458. Its totient is φ = 7008456.

The previous prime is 7008451. The next prime is 7008461. The reversal of 7008457 is 7548007.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4888521 + 2119936 = 2211^2 + 1456^2 .

It is an emirp because it is prime and its reverse (7548007) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7008457 - 2⁷ = 7008329 is a prime.

It is not a weakly prime, because it can be changed into another prime (7008451) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3504228 + 3504229.

It is an arithmetic number, because the mean of its divisors is an integer number (3504229).

Almost surely, 2^7008457 is an apocalyptic number.

It is an amenable number.

7008457 is a deficient number, since it is larger than the sum of its proper divisors (1).

7008457 is an equidigital number, since it uses as much as digits as its factorization.

7008457 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 7008457 is about 2647.3490514097. The cubic root of 7008457 is about 191.3701237458.

The spelling of 7008457 in words is "seven million, eight thousand, four hundred fifty-seven".