5242540545 has 48 divisors (see below), whose sum is σ = 10181126592. Its totient is φ = 2473130880.

The previous prime is 5242540517. The next prime is 5242540549. The reversal of 5242540545 is 5450452425.

5242540545 is a `hidden beast` number, since 5 + 242 + 5 + 405 + 4 + 5 = 666.

It is not a de Polignac number, because 5242540545 - 2⁹ = 5242540033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5242540549) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 124807 + ... + 161436.

It is an arithmetic number, because the mean of its divisors is an integer number (212106804).

Almost surely, 2^5242540545 is an apocalyptic number.

5242540545 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5242540545 is a deficient number, since it is larger than the sum of its proper divisors (4938586047).

5242540545 is a wasteful number, since it uses less digits than its factorization.

5242540545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 286302 (or 286299 counting only the distinct ones).

The product of its (nonzero) digits is 160000, while the sum is 36.

The square root of 5242540545 is about 72405.3903034850. The cubic root of 5242540545 is about 1737.1897810287.

The spelling of 5242540545 in words is "five billion, two hundred forty-two million, five hundred forty thousand, five hundred forty-five".