2549929 has 4 divisors (see below), whose sum is σ = 2618884. Its totient is φ = 2480976.

The previous prime is 2549927. The next prime is 2549951. The reversal of 2549929 is 9299452.

2549929 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 898704 = 1285^2 + 948^2 .

It is a cyclic number.

It is not a de Polignac number, because 2549929 - 2¹ = 2549927 is a prime.

It is a Duffinian number.

2549929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 2549891 and 2549900.

It is not an unprimeable number, because it can be changed into a prime (2549927) 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 3 ways as a sum of consecutive naturals, for example, 34422 + ... + 34495.

It is an arithmetic number, because the mean of its divisors is an integer number (654721).

2^2549929 is an apocalyptic number.

It is an amenable number.

2549929 is a deficient number, since it is larger than the sum of its proper divisors (68955).

2549929 is an equidigital number, since it uses as much as digits as its factorization.

2549929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68954.

The product of its digits is 58320, while the sum is 40.

The square root of 2549929 is about 1596.8497111501. The cubic root of 2549929 is about 136.6184528191.

The spelling of 2549929 in words is "two million, five hundred forty-nine thousand, nine hundred twenty-nine".