64852542 has 32 divisors (see below), whose sum is σ = 144495360. Its totient is φ = 21560760.

The previous prime is 64852511. The next prime is 64852547. The reversal of 64852542 is 24525846.

It is a happy number.

64852542 is a `hidden beast` number, since 64 + 8 + 52 + 542 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 64852497 and 64852506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64852547) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22567 + ... + 25277.

It is an arithmetic number, because the mean of its divisors is an integer number (4515480).

Almost surely, 2^64852542 is an apocalyptic number.

64852542 is an abundant number, since it is smaller than the sum of its proper divisors (79642818).

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

64852542 is a wasteful number, since it uses less digits than its factorization.

64852542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).

The product of its digits is 76800, while the sum is 36.

The square root of 64852542 is about 8053.1075989335. The cubic root of 64852542 is about 401.7683004313.

The spelling of 64852542 in words is "sixty-four million, eight hundred fifty-two thousand, five hundred forty-two".