5208949 has 4 divisors (see below), whose sum is σ = 5213740. Its totient is φ = 5204160.

The previous prime is 5208941. The next prime is 5208967. The reversal of 5208949 is 9498025.

5208949 = T₁₈₆₂ + T₁₈₆₃ + T₁₈₆₄.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 874225 + 4334724 = 935^2 + 2082^2 .

It is a cyclic number.

It is not a de Polignac number, because 5208949 - 2³ = 5208941 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5208941) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 109 + ... + 3229.

It is an arithmetic number, because the mean of its divisors is an integer number (1303435).

Almost surely, 2^5208949 is an apocalyptic number.

5208949 is the 1864-th centered triangular number.

It is an amenable number.

5208949 is a deficient number, since it is larger than the sum of its proper divisors (4791).

5208949 is a wasteful number, since it uses less digits than its factorization.

5208949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4790.

The product of its (nonzero) digits is 25920, while the sum is 37.

The square root of 5208949 is about 2282.3122047608. The cubic root of 5208949 is about 173.3471483893.

The spelling of 5208949 in words is "five million, two hundred eight thousand, nine hundred forty-nine".