2501628 has 12 divisors (see below), whose sum is σ = 5837160. Its totient is φ = 833872.

The previous prime is 2501623. The next prime is 2501647. The reversal of 2501628 is 8261052.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 2501598 and 2501607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2501623) 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 3 ways as a sum of consecutive naturals, for example, 104223 + ... + 104246.

It is an arithmetic number, because the mean of its divisors is an integer number (486430).

2^2501628 is an apocalyptic number.

It is an amenable number.

2501628 is an abundant number, since it is smaller than the sum of its proper divisors (3335532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2501628 is a wasteful number, since it uses less digits than its factorization.

2501628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208476 (or 208474 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 2501628 is about 1581.6535651020. The cubic root of 2501628 is about 135.7503349164.

The spelling of 2501628 in words is "two million, five hundred one thousand, six hundred twenty-eight".