2564078 has 8 divisors (see below), whose sum is σ = 4195800. Its totient is φ = 1165480.

The previous prime is 2564077. The next prime is 2564101. The reversal of 2564078 is 8704652.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564071) 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, 58253 + ... + 58296.

It is an arithmetic number, because the mean of its divisors is an integer number (524475).

2^2564078 is an apocalyptic number.

2564078 is a deficient number, since it is larger than the sum of its proper divisors (1631722).

2564078 is a wasteful number, since it uses less digits than its factorization.

2564078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116562.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 2564078 is about 1601.2738678939. The cubic root of 2564078 is about 136.8706755513.

It can be divided in two parts, 256 and 4078, that added together give a palindrome (4334).

The spelling of 2564078 in words is "two million, five hundred sixty-four thousand, seventy-eight".