65625522 has 8 divisors (see below), whose sum is σ = 131251056. Its totient is φ = 21875172.

The previous prime is 65625503. The next prime is 65625557. The reversal of 65625522 is 22552656.

It is a sphenic number, since it is the product of 3 distinct primes.

65625522 is an admirable 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, 5468788 + ... + 5468799.

It is an arithmetic number, because the mean of its divisors is an integer number (16406382).

Almost surely, 2^65625522 is an apocalyptic number.

65625522 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

65625522 is a wasteful number, since it uses less digits than its factorization.

65625522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10937592.

The product of its digits is 36000, while the sum is 33.

The square root of 65625522 is about 8100.9580914852. The cubic root of 65625522 is about 403.3582309760.

The spelling of 65625522 in words is "sixty-five million, six hundred twenty-five thousand, five hundred twenty-two".