64526522 has 8 divisors (see below), whose sum is σ = 96850836. Its totient is φ = 32242912.

The previous prime is 64526521. The next prime is 64526533. The reversal of 64526522 is 22562546.

It can be written as a sum of positive squares in 2 ways, for example, as 59459521 + 5067001 = 7711^2 + 2251^2 .

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

It is not an unprimeable number, because it can be changed into a prime (64526521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5843 + ... + 12774.

Almost surely, 2^64526522 is an apocalyptic number.

64526522 is a deficient number, since it is larger than the sum of its proper divisors (32324314).

64526522 is a wasteful number, since it uses less digits than its factorization.

64526522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20352.

The product of its digits is 28800, while the sum is 32.

The square root of 64526522 is about 8032.8402199969. The cubic root of 64526522 is about 401.0939264186.

The spelling of 64526522 in words is "sixty-four million, five hundred twenty-six thousand, five hundred twenty-two".