2563346 has 4 divisors (see below), whose sum is σ = 3845022. Its totient is φ = 1281672.

The previous prime is 2563343. The next prime is 2563357. The reversal of 2563346 is 6433652.

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., 2544025 + 19321 = 1595^2 + 139^2 .

It is not an unprimeable number, because it can be changed into a prime (2563343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640835 + ... + 640838.

2^2563346 is an apocalyptic number.

2563346 is a deficient number, since it is larger than the sum of its proper divisors (1281676).

2563346 is a wasteful number, since it uses less digits than its factorization.

2563346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281675.

The product of its digits is 12960, while the sum is 29.

The square root of 2563346 is about 1601.0452835570. The cubic root of 2563346 is about 136.8576495734.

Adding to 2563346 its reverse (6433652), we get a palindrome (8996998).

The spelling of 2563346 in words is "two million, five hundred sixty-three thousand, three hundred forty-six".