5061821 has 2 divisors, whose sum is σ = 5061822. Its totient is φ = 5061820.

The previous prime is 5061799. The next prime is 5061827. The reversal of 5061821 is 1281605.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3648100 + 1413721 = 1910^2 + 1189^2 .

It is a cyclic number.

It is not a de Polignac number, because 5061821 - 2⁶ = 5061757 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5061827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2530910 + 2530911.

It is an arithmetic number, because the mean of its divisors is an integer number (2530911).

Almost surely, 2^5061821 is an apocalyptic number.

It is an amenable number.

5061821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5061821 is an equidigital number, since it uses as much as digits as its factorization.

5061821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 5061821 is about 2249.8491060513. The cubic root of 5061821 is about 171.6994593882.

The spelling of 5061821 in words is "five million, sixty-one thousand, eight hundred twenty-one".