5400979 has 2 divisors, whose sum is σ = 5400980. Its totient is φ = 5400978.

The previous prime is 5400973. The next prime is 5401003. The reversal of 5400979 is 9790045.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5400979 - 2¹⁹ = 4876691 is a prime.

It is not a weakly prime, because it can be changed into another prime (5400973) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2700489 + 2700490.

It is an arithmetic number, because the mean of its divisors is an integer number (2700490).

Almost surely, 2^5400979 is an apocalyptic number.

5400979 is a deficient number, since it is larger than the sum of its proper divisors (1).

5400979 is an equidigital number, since it uses as much as digits as its factorization.

5400979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 5400979 is about 2324.0006454388. Note that the first 3 decimals coincide. The cubic root of 5400979 is about 175.4516659238.

The spelling of 5400979 in words is "five million, four hundred thousand, nine hundred seventy-nine".