64825042 has 8 divisors (see below), whose sum is σ = 99072396. Its totient is φ = 31800912.

The previous prime is 64825039. The next prime is 64825051. The reversal of 64825042 is 24052846.

It can be written as a sum of positive squares in 2 ways, for example, as 64336441 + 488601 = 8021^2 + 699^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 64824995 and 64825013.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305673 + ... + 305884.

Almost surely, 2^64825042 is an apocalyptic number.

64825042 is a deficient number, since it is larger than the sum of its proper divisors (34247354).

64825042 is a wasteful number, since it uses less digits than its factorization.

64825042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 611612.

The product of its (nonzero) digits is 15360, while the sum is 31.

The square root of 64825042 is about 8051.4000024840. The cubic root of 64825042 is about 401.7115039410.

Adding to 64825042 its reverse (24052846), we get a palindrome (88877888).

The spelling of 64825042 in words is "sixty-four million, eight hundred twenty-five thousand, forty-two".