5478620725 has 6 divisors (see below), whose sum is σ = 6793489730. Its totient is φ = 4382896560.

The previous prime is 5478620713. The next prime is 5478620737. The reversal of 5478620725 is 5270268745.

It is an interprime number because it is at equal distance from previous prime (5478620713) and next prime (5478620737).

It can be written as a sum of positive squares in 3 ways, for example, as 1829615076 + 3649005649 = 42774^2 + 60407^2 .

It is not a de Polignac number, because 5478620725 - 2³¹ = 3331137077 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109572390 + ... + 109572439.

Almost surely, 2^5478620725 is an apocalyptic number.

It is an amenable number.

5478620725 is a deficient number, since it is larger than the sum of its proper divisors (1314869005).

5478620725 is a wasteful number, since it uses less digits than its factorization.

5478620725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219144839 (or 219144834 counting only the distinct ones).

The product of its (nonzero) digits is 940800, while the sum is 46.

The square root of 5478620725 is about 74017.7054832153. The cubic root of 5478620725 is about 1762.8840375023.

The spelling of 5478620725 in words is "five billion, four hundred seventy-eight million, six hundred twenty thousand, seven hundred twenty-five".