2499261 has 8 divisors (see below), whose sum is σ = 3363360. Its totient is φ = 1650672.

The previous prime is 2499257. The next prime is 2499269. The reversal of 2499261 is 1629942.

2499261 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 not a de Polignac number, because 2499261 - 2² = 2499257 is a prime.

It is a super-2 number, since 2×2499261² = 12492611092242, which contains 22 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499269) 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, 3495 + ... + 4148.

It is an arithmetic number, because the mean of its divisors is an integer number (420420).

2^2499261 is an apocalyptic number.

It is an amenable number.

2499261 is a deficient number, since it is larger than the sum of its proper divisors (864099).

2499261 is a wasteful number, since it uses less digits than its factorization.

2499261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755.

The product of its digits is 7776, while the sum is 33.

The square root of 2499261 is about 1580.9051204927. The cubic root of 2499261 is about 135.7075064810.

The spelling of 2499261 in words is "two million, four hundred ninety-nine thousand, two hundred sixty-one".