64526530 has 16 divisors (see below), whose sum is σ = 118117440. Its totient is φ = 25372912.

The previous prime is 64526521. The next prime is 64526533. The reversal of 64526530 is 3562546.

It is a junction number, because it is equal to n+sod(n) for n = 64526492 and 64526501.

It is not an unprimeable number, because it can be changed into a prime (64526533) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54094 + ... + 55273.

It is an arithmetic number, because the mean of its divisors is an integer number (7382340).

Almost surely, 2^64526530 is an apocalyptic number.

64526530 is a deficient number, since it is larger than the sum of its proper divisors (53590910).

64526530 is a wasteful number, since it uses less digits than its factorization.

64526530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109433.

The product of its (nonzero) digits is 21600, while the sum is 31.

The square root of 64526530 is about 8032.8407179528. The cubic root of 64526530 is about 401.0939429944.

It can be divided in two parts, 64526 and 530, that added together give a palindrome (65056).

The spelling of 64526530 in words is "sixty-four million, five hundred twenty-six thousand, five hundred thirty".