64254471 has 4 divisors (see below), whose sum is σ = 85672632. Its totient is φ = 42836312.

The previous prime is 64254469. The next prime is 64254493. The reversal of 64254471 is 17445246.

64254471 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 64254471 - 2¹ = 64254469 is a prime.

It is a super-3 number, since 3×64254471³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64254431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10709076 + ... + 10709081.

It is an arithmetic number, because the mean of its divisors is an integer number (21418158).

Almost surely, 2^64254471 is an apocalyptic number.

64254471 is a deficient number, since it is larger than the sum of its proper divisors (21418161).

64254471 is a wasteful number, since it uses less digits than its factorization.

64254471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21418160.

The product of its digits is 26880, while the sum is 33.

The square root of 64254471 is about 8015.8886594064. Note that the first 3 decimals coincide. The cubic root of 64254471 is about 400.5294468226.

The spelling of 64254471 in words is "sixty-four million, two hundred fifty-four thousand, four hundred seventy-one".