2508261 has 24 divisors (see below), whose sum is σ = 3950784. Its totient is φ = 1411200.

The previous prime is 2508227. The next prime is 2508269. The reversal of 2508261 is 1628052.

2508261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2508261 - 2¹⁵ = 2475493 is a prime.

2508261 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2508269) 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 23 ways as a sum of consecutive naturals, for example, 16536 + ... + 16686.

It is an arithmetic number, because the mean of its divisors is an integer number (164616).

2^2508261 is an apocalyptic number.

2508261 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2508261 is a deficient number, since it is larger than the sum of its proper divisors (1442523).

2508261 is a wasteful number, since it uses less digits than its factorization.

2508261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281 (or 274 counting only the distinct ones).

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

The square root of 2508261 is about 1583.7490331489. The cubic root of 2508261 is about 135.8702084971.

The spelling of 2508261 in words is "two million, five hundred eight thousand, two hundred sixty-one".