5431818725 has 12 divisors (see below), whose sum is σ = 6763644480. Its totient is φ = 4327268400.

The previous prime is 5431818709. The next prime is 5431818737. The reversal of 5431818725 is 5278181345.

It is not a de Polignac number, because 5431818725 - 2⁴ = 5431818709 is a prime.

It is a super-2 number, since 2×5431818725² = 59009309322521251250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 448571 + ... + 460520.

It is an arithmetic number, because the mean of its divisors is an integer number (563637040).

Almost surely, 2^5431818725 is an apocalyptic number.

It is an amenable number.

5431818725 is a deficient number, since it is larger than the sum of its proper divisors (1331825755).

5431818725 is a wasteful number, since it uses less digits than its factorization.

5431818725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909340 (or 909335 counting only the distinct ones).

The product of its digits is 268800, while the sum is 44.

The square root of 5431818725 is about 73700.8732987608. The cubic root of 5431818725 is about 1757.8497678709.

The spelling of 5431818725 in words is "five billion, four hundred thirty-one million, eight hundred eighteen thousand, seven hundred twenty-five".