538006516 has 12 divisors (see below), whose sum is σ = 955564288. Its totient is φ = 264988152.

The previous prime is 538006499. The next prime is 538006541. The reversal of 538006516 is 615600835.

It is a super-2 number, since 2×538006516² = 578902022516916512, 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 3 ways as a sum of consecutive naturals, for example, 1003476 + ... + 1004011.

Almost surely, 2^538006516 is an apocalyptic number.

It is an amenable number.

538006516 is a deficient number, since it is larger than the sum of its proper divisors (417557772).

538006516 is a wasteful number, since it uses less digits than its factorization.

538006516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2007558 (or 2007556 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 538006516 is about 23194.9674714150. The cubic root of 538006516 is about 813.3219848965.

The spelling of 538006516 in words is "five hundred thirty-eight million, six thousand, five hundred sixteen".