5481625477 has 2 divisors, whose sum is σ = 5481625478. Its totient is φ = 5481625476.

The previous prime is 5481625451. The next prime is 5481625481. The reversal of 5481625477 is 7745261845.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3818127681 + 1663497796 = 61791^2 + 40786^2 .

It is a cyclic number.

It is not a de Polignac number, because 5481625477 - 2⁷ = 5481625349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5481625477.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5481625427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740812738 + 2740812739.

It is an arithmetic number, because the mean of its divisors is an integer number (2740812739).

Almost surely, 2^5481625477 is an apocalyptic number.

It is an amenable number.

5481625477 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481625477 is an equidigital number, since it uses as much as digits as its factorization.

5481625477 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1881600, while the sum is 49.

The square root of 5481625477 is about 74038.0002228585. Note that the first 3 decimals coincide. The cubic root of 5481625477 is about 1763.2062634489.

The spelling of 5481625477 in words is "five billion, four hundred eighty-one million, six hundred twenty-five thousand, four hundred seventy-seven".