525746652 has 12 divisors (see below), whose sum is σ = 1226742216. Its totient is φ = 175248880.

The previous prime is 525746647. The next prime is 525746671. The reversal of 525746652 is 256647525.

It is a tau number, because it is divible by the number of its divisors (12).

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, 21906099 + ... + 21906122.

It is an arithmetic number, because the mean of its divisors is an integer number (102228518).

Almost surely, 2^525746652 is an apocalyptic number.

It is an amenable number.

525746652 is an abundant number, since it is smaller than the sum of its proper divisors (700995564).

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

525746652 is a wasteful number, since it uses less digits than its factorization.

525746652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43812228 (or 43812226 counting only the distinct ones).

The product of its digits is 504000, while the sum is 42.

The square root of 525746652 is about 22929.1659682597. The cubic root of 525746652 is about 807.0965766900.

The spelling of 525746652 in words is "five hundred twenty-five million, seven hundred forty-six thousand, six hundred fifty-two".