5209441 has 2 divisors, whose sum is σ = 5209442. Its totient is φ = 5209440.

The previous prime is 5209411. The next prime is 5209453. The reversal of 5209441 is 1449025.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3721041 + 1488400 = 1929^2 + 1220^2 .

It is a cyclic number.

It is not a de Polignac number, because 5209441 - 2⁵ = 5209409 is a prime.

It is an Ulam number.

5209441 is a lucky 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, 2604720 + 2604721.

It is an arithmetic number, because the mean of its divisors is an integer number (2604721).

Almost surely, 2^5209441 is an apocalyptic number.

It is an amenable number.

5209441 is a deficient number, since it is larger than the sum of its proper divisors (1).

5209441 is an equidigital number, since it uses as much as digits as its factorization.

5209441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 5209441 is about 2282.4199876447. The cubic root of 5209441 is about 173.3526059274.

The spelling of 5209441 in words is "five million, two hundred nine thousand, four hundred forty-one".