5457679 has 2 divisors, whose sum is σ = 5457680. Its totient is φ = 5457678.

The previous prime is 5457671. The next prime is 5457691. The reversal of 5457679 is 9767545.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5457679 - 2³ = 5457671 is a prime.

5457679 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5457671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2728839 + 2728840.

It is an arithmetic number, because the mean of its divisors is an integer number (2728840).

Almost surely, 2^5457679 is an apocalyptic number.

5457679 is a deficient number, since it is larger than the sum of its proper divisors (1).

5457679 is an equidigital number, since it uses as much as digits as its factorization.

5457679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 43.

The square root of 5457679 is about 2336.1675881666. The cubic root of 5457679 is about 176.0634993840.

The spelling of 5457679 in words is "five million, four hundred fifty-seven thousand, six hundred seventy-nine".