5261409 has 8 divisors (see below), whose sum is σ = 7794720. Its totient is φ = 3507588.

The previous prime is 5261387. The next prime is 5261419. The reversal of 5261409 is 9041625.

It is not a de Polignac number, because 5261409 - 2⁸ = 5261153 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 194867 = 5261409 / (5 + 2 + 6 + 1 + 4 + 0 + 9).

It is not an unprimeable number, because it can be changed into a prime (5261419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97407 + ... + 97460.

It is an arithmetic number, because the mean of its divisors is an integer number (974340).

Almost surely, 2^5261409 is an apocalyptic number.

It is an amenable number.

5261409 is a deficient number, since it is larger than the sum of its proper divisors (2533311).

5261409 is a wasteful number, since it uses less digits than its factorization.

5261409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194876 (or 194870 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The square root of 5261409 is about 2293.7761442652. The cubic root of 5261409 is about 173.9271395305.

The spelling of 5261409 in words is "five million, two hundred sixty-one thousand, four hundred nine".