5209137522 has 12 divisors (see below), whose sum is σ = 11286464670. Its totient is φ = 1736379168.

The previous prime is 5209137491. The next prime is 5209137523. The reversal of 5209137522 is 2257319025.

It can be written as a sum of positive squares in only one way, i.e., 2895623721 + 2313513801 = 53811^2 + 48099^2 .

It is a super-2 number, since 2×5209137522² = 54270227446216600968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5209137523) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144698247 + ... + 144698282.

Almost surely, 2^5209137522 is an apocalyptic number.

5209137522 is an abundant number, since it is smaller than the sum of its proper divisors (6077327148).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5209137522 is a wasteful number, since it uses less digits than its factorization.

5209137522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 289396537 (or 289396534 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 5209137522 is about 72174.3550161690. The cubic root of 5209137522 is about 1733.4923962099.

The spelling of 5209137522 in words is "five billion, two hundred nine million, one hundred thirty-seven thousand, five hundred twenty-two".