2564102 has 4 divisors (see below), whose sum is σ = 3846156. Its totient is φ = 1282050.

The previous prime is 2564101. The next prime is 2564117. The reversal of 2564102 is 2014652.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2564101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641024 + ... + 641027.

It is an arithmetic number, because the mean of its divisors is an integer number (961539).

2^2564102 is an apocalyptic number.

2564102 is a deficient number, since it is larger than the sum of its proper divisors (1282054).

2564102 is a wasteful number, since it uses less digits than its factorization.

2564102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282053.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 2564102 is about 1601.2813619099. The cubic root of 2564102 is about 136.8711025905.

Adding to 2564102 its reverse (2014652), we get a palindrome (4578754).

The spelling of 2564102 in words is "two million, five hundred sixty-four thousand, one hundred two".