5135444325 has 72 divisors (see below), whose sum is σ = 10138267776. Its totient is φ = 2464128000.

The previous prime is 5135444273. The next prime is 5135444351. The reversal of 5135444325 is 5234445315.

5135444325 is a `hidden beast` number, since 51 + 3 + 544 + 43 + 25 = 666.

It is not a de Polignac number, because 5135444325 - 2⁹ = 5135443813 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5135444325.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 229380 + ... + 250770.

Almost surely, 2^5135444325 is an apocalyptic number.

5135444325 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5135444325 is a deficient number, since it is larger than the sum of its proper divisors (5002823451).

5135444325 is a wasteful number, since it uses less digits than its factorization.

5135444325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21515 (or 21507 counting only the distinct ones).

The product of its digits is 144000, while the sum is 36.

The square root of 5135444325 is about 71662.0145195486. The cubic root of 5135444325 is about 1725.2790222879.

The spelling of 5135444325 in words is "five billion, one hundred thirty-five million, four hundred forty-four thousand, three hundred twenty-five".