525252835525 has 18 divisors (see below), whose sum is σ = 715906596146. Its totient is φ = 382002060000.

The previous prime is 525252835519. The next prime is 525252835537. The reversal of 525252835525 is 525538252525.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 84146986561 + 441105848964 = 290081^2 + 664158^2 .

It is not a de Polignac number, because 525252835525 - 2¹¹ = 525252833477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 86815626 + ... + 86821675.

Almost surely, 2^525252835525 is an apocalyptic number.

525252835525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

525252835525 is a deficient number, since it is larger than the sum of its proper divisors (190653760621).

525252835525 is a wasteful number, since it uses less digits than its factorization.

525252835525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173637333 (or 173637317 counting only the distinct ones).

The product of its digits is 6000000, while the sum is 49.

The spelling of 525252835525 in words is "five hundred twenty-five billion, two hundred fifty-two million, eight hundred thirty-five thousand, five hundred twenty-five".