64254842 has 4 divisors (see below), whose sum is σ = 96382266. Its totient is φ = 32127420.

The previous prime is 64254833. The next prime is 64254863. The reversal of 64254842 is 24845246.

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

It can be written as a sum of positive squares in only one way, i.e., 55368481 + 8886361 = 7441^2 + 2981^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16063709 + ... + 16063712.

Almost surely, 2^64254842 is an apocalyptic number.

64254842 is a deficient number, since it is larger than the sum of its proper divisors (32127424).

64254842 is a wasteful number, since it uses less digits than its factorization.

64254842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32127423.

The product of its digits is 61440, while the sum is 35.

The square root of 64254842 is about 8015.9118009120. The cubic root of 64254842 is about 400.5302176958.

The spelling of 64254842 in words is "sixty-four million, two hundred fifty-four thousand, eight hundred forty-two".