64854527 has 4 divisors (see below), whose sum is σ = 67090920. Its totient is φ = 62618136.

The previous prime is 64854523. The next prime is 64854533. The reversal of 64854527 is 72545846.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72545846 = 2 ⋅36272923.

It is a cyclic number.

It is not a de Polignac number, because 64854527 - 2² = 64854523 is a prime.

It is a super-2 number, since 2×64854527² = 8412219344787458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64854521) 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, 1118153 + ... + 1118210.

It is an arithmetic number, because the mean of its divisors is an integer number (16772730).

Almost surely, 2^64854527 is an apocalyptic number.

64854527 is a deficient number, since it is larger than the sum of its proper divisors (2236393).

64854527 is a wasteful number, since it uses less digits than its factorization.

64854527 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2236392.

The product of its digits is 268800, while the sum is 41.

The square root of 64854527 is about 8053.2308423390. The cubic root of 64854527 is about 401.7723994839.

The spelling of 64854527 in words is "sixty-four million, eight hundred fifty-four thousand, five hundred twenty-seven".