5252409 has 12 divisors (see below), whose sum is σ = 7792356. Its totient is φ = 3406752.

The previous prime is 5252389. The next prime is 5252411. The reversal of 5252409 is 9042525.

5252409 is a `hidden beast` number, since 5 + 252 + 409 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 3980025 + 1272384 = 1995^2 + 1128^2 .

It is not a de Polignac number, because 5252409 - 2⁷ = 5252281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5252419) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7554 + ... + 8219.

It is an arithmetic number, because the mean of its divisors is an integer number (649363).

Almost surely, 2^5252409 is an apocalyptic number.

It is an amenable number.

5252409 is a deficient number, since it is larger than the sum of its proper divisors (2539947).

5252409 is a wasteful number, since it uses less digits than its factorization.

5252409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15816 (or 15813 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 5252409 is about 2291.8134740855. The cubic root of 5252409 is about 173.8279115070.

The spelling of 5252409 in words is "five million, two hundred fifty-two thousand, four hundred nine".