526561632 has 72 divisors (see below), whose sum is σ = 1562534064. Its totient is φ = 167887104.

The previous prime is 526561591. The next prime is 526561661. The reversal of 526561632 is 236165625.

It is a happy number.

526561632 is a `hidden beast` number, since 5 + 2 + 6 + 5 + 616 + 32 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 33123 + ... + 46370.

It is an arithmetic number, because the mean of its divisors is an integer number (21701862).

Almost surely, 2^526561632 is an apocalyptic number.

It is an amenable number.

526561632 is an abundant number, since it is smaller than the sum of its proper divisors (1035972432).

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

526561632 is a wasteful number, since it uses less digits than its factorization.

526561632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79532 (or 79521 counting only the distinct ones).

The product of its digits is 64800, while the sum is 36.

The square root of 526561632 is about 22946.9307751603. The cubic root of 526561632 is about 807.5133984811.

The spelling of 526561632 in words is "five hundred twenty-six million, five hundred sixty-one thousand, six hundred thirty-two".