5481251725 has 6 divisors (see below), whose sum is σ = 6796752170. Its totient is φ = 4385001360.

The previous prime is 5481251687. The next prime is 5481251729. The reversal of 5481251725 is 5271521845.

It can be written as a sum of positive squares in 3 ways, for example, as 15163236 + 5466088489 = 3894^2 + 73933^2 .

It is not a de Polignac number, because 5481251725 - 2⁹ = 5481251213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5481251729) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 109625010 + ... + 109625059.

Almost surely, 2^5481251725 is an apocalyptic number.

It is an amenable number.

5481251725 is a deficient number, since it is larger than the sum of its proper divisors (1315500445).

5481251725 is a wasteful number, since it uses less digits than its factorization.

5481251725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219250079 (or 219250074 counting only the distinct ones).

The product of its digits is 112000, while the sum is 40.

The square root of 5481251725 is about 74035.4761246256. The cubic root of 5481251725 is about 1763.1661891529.

The spelling of 5481251725 in words is "five billion, four hundred eighty-one million, two hundred fifty-one thousand, seven hundred twenty-five".