5478637 has 2 divisors, whose sum is σ = 5478638. Its totient is φ = 5478636.

The previous prime is 5478617. The next prime is 5478643. The reversal of 5478637 is 7368745.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2979076 + 2499561 = 1726^2 + 1581^2 .

It is a cyclic number.

It is not a de Polignac number, because 5478637 - 2⁷ = 5478509 is a prime.

It is a super-3 number, since 3×5478637³ (a number of 21 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5478637.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5478617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2739318 + 2739319.

It is an arithmetic number, because the mean of its divisors is an integer number (2739319).

Almost surely, 2^5478637 is an apocalyptic number.

It is an amenable number.

5478637 is a deficient number, since it is larger than the sum of its proper divisors (1).

5478637 is an equidigital number, since it uses as much as digits as its factorization.

5478637 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 141120, while the sum is 40.

The square root of 5478637 is about 2340.6488416676. The cubic root of 5478637 is about 176.2885783131.

The spelling of 5478637 in words is "five million, four hundred seventy-eight thousand, six hundred thirty-seven".