2563001 has 8 divisors (see below), whose sum is σ = 2941824. Its totient is φ = 2187360.

The previous prime is 2562983. The next prime is 2563003. The reversal of 2563001 is 1003652.

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

It is a de Polignac number, because none of the positive numbers 2^k-2563001 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2563003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1316 + ... + 2618.

It is an arithmetic number, because the mean of its divisors is an integer number (367728).

2^2563001 is an apocalyptic number.

It is an amenable number.

2563001 is a deficient number, since it is larger than the sum of its proper divisors (378823).

2563001 is a wasteful number, since it uses less digits than its factorization.

2563001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1591.

The product of its (nonzero) digits is 180, while the sum is 17.

The square root of 2563001 is about 1600.9375378196. The cubic root of 2563001 is about 136.8515094207.

Adding to 2563001 its reverse (1003652), we get a palindrome (3566653).

It can be divided in two parts, 25 and 63001, that multiplied together give a square (1575025 = 1255²).

The spelling of 2563001 in words is "two million, five hundred sixty-three thousand, one".