5209471 has 2 divisors, whose sum is σ = 5209472. Its totient is φ = 5209470.

The previous prime is 5209453. The next prime is 5209481. The reversal of 5209471 is 1749025.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5209471 is a prime.

It is a super-3 number, since 3×5209471³ (a number of 21 digits) contains 333 as substring.

5209471 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5209411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2604735 + 2604736.

It is an arithmetic number, because the mean of its divisors is an integer number (2604736).

Almost surely, 2^5209471 is an apocalyptic number.

5209471 is a deficient number, since it is larger than the sum of its proper divisors (1).

5209471 is an equidigital number, since it uses as much as digits as its factorization.

5209471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2520, while the sum is 28.

The square root of 5209471 is about 2282.4265596071. The cubic root of 5209471 is about 173.3529386930.

The spelling of 5209471 in words is "five million, two hundred nine thousand, four hundred seventy-one".