2508641 has 2 divisors, whose sum is σ = 2508642. Its totient is φ = 2508640.

The previous prime is 2508629. The next prime is 2508677. The reversal of 2508641 is 1468052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 1008016 = 1225^2 + 1004^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2508641 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2508641.

It is not a weakly prime, because it can be changed into another prime (2508691) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1254320 + 1254321.

It is an arithmetic number, because the mean of its divisors is an integer number (1254321).

2^2508641 is an apocalyptic number.

It is an amenable number.

2508641 is a deficient number, since it is larger than the sum of its proper divisors (1).

2508641 is an equidigital number, since it uses as much as digits as its factorization.

2508641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 2508641 is about 1583.8689971080. The cubic root of 2508641 is about 135.8770695683.

The spelling of 2508641 in words is "two million, five hundred eight thousand, six hundred forty-one".