5217530542 has 16 divisors (see below), whose sum is σ = 9333222912. Its totient is φ = 2138863320.

The previous prime is 5217530477. The next prime is 5217530561. The reversal of 5217530542 is 2450357125.

It is a junction number, because it is equal to n+sod(n) for n = 5217530498 and 5217530507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8101434 + ... + 8102077.

It is an arithmetic number, because the mean of its divisors is an integer number (583326432).

Almost surely, 2^5217530542 is an apocalyptic number.

5217530542 is a deficient number, since it is larger than the sum of its proper divisors (4115692370).

5217530542 is a wasteful number, since it uses less digits than its factorization.

5217530542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16203543.

The product of its (nonzero) digits is 42000, while the sum is 34.

The square root of 5217530542 is about 72232.4756740346. The cubic root of 5217530542 is about 1734.4229040155.

Adding to 5217530542 its reverse (2450357125), we get a palindrome (7667887667).

The spelling of 5217530542 in words is "five billion, two hundred seventeen million, five hundred thirty thousand, five hundred forty-two".