5025809 has 4 divisors (see below), whose sum is σ = 5049840. Its totient is φ = 5001780.

The previous prime is 5025791. The next prime is 5025817. The reversal of 5025809 is 9085205.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9085205 = 5 ⋅1817041.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5025809 is a prime.

It is a super-2 number, since 2×5025809² = 50517512208962, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5025859) 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, 11699 + ... + 12120.

It is an arithmetic number, because the mean of its divisors is an integer number (1262460).

Almost surely, 2^5025809 is an apocalyptic number.

It is an amenable number.

5025809 is a deficient number, since it is larger than the sum of its proper divisors (24031).

5025809 is a wasteful number, since it uses less digits than its factorization.

5025809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24030.

The product of its (nonzero) digits is 3600, while the sum is 29.

The square root of 5025809 is about 2241.8316172273. The cubic root of 5025809 is about 171.2913083435.

The spelling of 5025809 in words is "five million, twenty-five thousand, eight hundred nine".