5427720245 has 4 divisors (see below), whose sum is σ = 6513264300. Its totient is φ = 4342176192.

The previous prime is 5427720227. The next prime is 5427720307. The reversal of 5427720245 is 5420277245.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5420277245 = 5 ⋅1084055449.

It can be written as a sum of positive squares in 2 ways, for example, as 3866601124 + 1561119121 = 62182^2 + 39511^2 .

It is a cyclic number.

It is not a de Polignac number, because 5427720245 - 2¹⁰ = 5427719221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5427720199 and 5427720208.

It is a congruent number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 542772020 + ... + 542772029.

It is an arithmetic number, because the mean of its divisors is an integer number (1628316075).

Almost surely, 2^5427720245 is an apocalyptic number.

It is an amenable number.

5427720245 is a deficient number, since it is larger than the sum of its proper divisors (1085544055).

5427720245 is a wasteful number, since it uses less digits than its factorization.

5427720245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1085544054.

The product of its (nonzero) digits is 156800, while the sum is 38.

The square root of 5427720245 is about 73673.0632253064. The cubic root of 5427720245 is about 1757.4075387728.

The spelling of 5427720245 in words is "five billion, four hundred twenty-seven million, seven hundred twenty thousand, two hundred forty-five".