5481625427 has 2 divisors, whose sum is σ = 5481625428. Its totient is φ = 5481625426.

The previous prime is 5481625411. The next prime is 5481625451. The reversal of 5481625427 is 7245261845.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5481625427 - 2⁴ = 5481625411 is a prime.

It is not a weakly prime, because it can be changed into another prime (5481625477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2740812713 + 2740812714.

It is an arithmetic number, because the mean of its divisors is an integer number (2740812714).

Almost surely, 2^5481625427 is an apocalyptic number.

5481625427 is a deficient number, since it is larger than the sum of its proper divisors (1).

5481625427 is an equidigital number, since it uses as much as digits as its factorization.

5481625427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 44.

The square root of 5481625427 is about 74037.9998851941. Note that the first 3 decimals coincide. The cubic root of 5481625427 is about 1763.2062580879.

The spelling of 5481625427 in words is "five billion, four hundred eighty-one million, six hundred twenty-five thousand, four hundred twenty-seven".