2505611 has 2 divisors, whose sum is σ = 2505612. Its totient is φ = 2505610.

The previous prime is 2505557. The next prime is 2505623. The reversal of 2505611 is 1165052.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2505611 - 2¹⁰ = 2504587 is a prime.

It is not a weakly prime, because it can be changed into another prime (2505631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252805 + 1252806.

It is an arithmetic number, because the mean of its divisors is an integer number (1252806).

2^2505611 is an apocalyptic number.

2505611 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505611 is an equidigital number, since it uses as much as digits as its factorization.

2505611 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2505611 is about 1582.9121896050. The cubic root of 2505611 is about 135.8223422759.

The spelling of 2505611 in words is "two million, five hundred five thousand, six hundred eleven".