2549313 has 28 divisors (see below), whose sum is σ = 4131540. Its totient is φ = 1562976.

The previous prime is 2549311. The next prime is 2549317. The reversal of 2549313 is 3139452.

It can be written as a sum of positive squares in 2 ways, for example, as 263169 + 2286144 = 513^2 + 1512^2 .

It is not a de Polignac number, because 2549313 - 2¹ = 2549311 is a prime.

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

2549313 is a Rhonda number in base 15.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2549311) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 9343 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (147555).

2^2549313 is an apocalyptic number.

It is an amenable number.

2549313 is a deficient number, since it is larger than the sum of its proper divisors (1582227).

2549313 is an equidigital number, since it uses as much as digits as its factorization.

2549313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 285 counting only the distinct ones).

The product of its digits is 3240, while the sum is 27.

The square root of 2549313 is about 1596.6568197330. The cubic root of 2549313 is about 136.6074507161.

The spelling of 2549313 in words is "two million, five hundred forty-nine thousand, three hundred thirteen".