52130016525 has 12 divisors (see below), whose sum is σ = 86188294112. Its totient is φ = 27802675440.

The previous prime is 52130016509. The next prime is 52130016541. The reversal of 52130016525 is 52561003125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (52130016509) and next prime (52130016541).

It is not a de Polignac number, because 52130016525 - 2⁴ = 52130016509 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 52130016492 and 52130016501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 347533369 + ... + 347533518.

Almost surely, 2^52130016525 is an apocalyptic number.

It is an amenable number.

52130016525 is a deficient number, since it is larger than the sum of its proper divisors (34058277587).

52130016525 is a wasteful number, since it uses less digits than its factorization.

52130016525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695066900 (or 695066895 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 30.

The spelling of 52130016525 in words is "fifty-two billion, one hundred thirty million, sixteen thousand, five hundred twenty-five".