2649213 has 32 divisors (see below), whose sum is σ = 4561920. Its totient is φ = 1488240.

The previous prime is 2649203. The next prime is 2649217. The reversal of 2649213 is 3129462.

2649213 is a `hidden beast` number, since 2 + 649 + 2 + 13 = 666.

It is not a de Polignac number, because 2649213 - 2⁴ = 2649197 is a prime.

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

2649213 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2649217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20158 + ... + 20288.

It is an arithmetic number, because the mean of its divisors is an integer number (142560).

2^2649213 is an apocalyptic number.

It is an amenable number.

2649213 is a deficient number, since it is larger than the sum of its proper divisors (1912707).

2649213 is a wasteful number, since it uses less digits than its factorization.

2649213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254 (or 248 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2649213 is about 1627.6403165319. The cubic root of 2649213 is about 138.3690499862.

Subtracting 2649213 from its reverse (3129462), we obtain a square (480249 = 693²).

The spelling of 2649213 in words is "two million, six hundred forty-nine thousand, two hundred thirteen".