2509461 has 24 divisors (see below), whose sum is σ = 3931200. Its totient is φ = 1596672.

The previous prime is 2509433. The next prime is 2509483. The reversal of 2509461 is 1649052.

It is not a de Polignac number, because 2509461 - 2⁷ = 2509333 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2509411) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5365 + ... + 5813.

It is an arithmetic number, because the mean of its divisors is an integer number (163800).

2^2509461 is an apocalyptic number.

It is an amenable number.

2509461 is a deficient number, since it is larger than the sum of its proper divisors (1421739).

2509461 is an equidigital number, since it uses as much as digits as its factorization.

2509461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 475 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 2509461 is about 1584.1278357506. The cubic root of 2509461 is about 135.8918726774.

The spelling of 2509461 in words is "two million, five hundred nine thousand, four hundred sixty-one".