2502561 has 8 divisors (see below), whose sum is σ = 3481920. Its totient is φ = 1595792.

The previous prime is 2502559. The next prime is 2502571. The reversal of 2502561 is 1652052.

2502561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2502561 - 2¹ = 2502559 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2502541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18066 + ... + 18203.

It is an arithmetic number, because the mean of its divisors is an integer number (435240).

2^2502561 is an apocalyptic number.

It is an amenable number.

2502561 is a deficient number, since it is larger than the sum of its proper divisors (979359).

2502561 is a wasteful number, since it uses less digits than its factorization.

2502561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36295.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 2502561 is about 1581.9484820942. The cubic root of 2502561 is about 135.7672091705.

The spelling of 2502561 in words is "two million, five hundred two thousand, five hundred sixty-one".