2506648 has 8 divisors (see below), whose sum is σ = 4699980. Its totient is φ = 1253320.

The previous prime is 2506643. The next prime is 2506649. The reversal of 2506648 is 8466052.

2506648 is nontrivially palindromic in base 3.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2506643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156658 + ... + 156673.

2^2506648 is an apocalyptic number.

It is an amenable number.

2506648 is a deficient number, since it is larger than the sum of its proper divisors (2193332).

2506648 is a wasteful number, since it uses less digits than its factorization.

2506648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313337 (or 313333 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 2506648 is about 1583.2397165306. The cubic root of 2506648 is about 135.8410773392.

The spelling of 2506648 in words is "two million, five hundred six thousand, six hundred forty-eight".