2604249 has 6 divisors (see below), whose sum is σ = 3761706. Its totient is φ = 1736160.

The previous prime is 2604227. The next prime is 2604253. The reversal of 2604249 is 9424062.

It can be written as a sum of positive squares in only one way, i.e., 2576025 + 28224 = 1605^2 + 168^2 .

It is not a de Polignac number, because 2604249 - 2¹³ = 2596057 is a prime.

It is a super-2 number, since 2×2604249² = 13564225708002, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2604269) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 144672 + ... + 144689.

It is an arithmetic number, because the mean of its divisors is an integer number (626951).

2^2604249 is an apocalyptic number.

It is an amenable number.

2604249 is a deficient number, since it is larger than the sum of its proper divisors (1157457).

2604249 is a wasteful number, since it uses less digits than its factorization.

2604249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 289367 (or 289364 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2604249 is about 1613.7685707684. The cubic root of 2604249 is about 137.5817519349.

The spelling of 2604249 in words is "two million, six hundred four thousand, two hundred forty-nine".