5146621 has 2 divisors, whose sum is σ = 5146622. Its totient is φ = 5146620.

The previous prime is 5146619. The next prime is 5146633. The reversal of 5146621 is 1266415.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4044121 + 1102500 = 2011^2 + 1050^2 .

It is a cyclic number.

It is not a de Polignac number, because 5146621 - 2¹ = 5146619 is a prime.

Together with 5146619, it forms a pair of twin primes.

5146621 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5146681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2573310 + 2573311.

It is an arithmetic number, because the mean of its divisors is an integer number (2573311).

Almost surely, 2^5146621 is an apocalyptic number.

It is an amenable number.

5146621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5146621 is an equidigital number, since it uses as much as digits as its factorization.

5146621 is an odious number, because the sum of its binary digits is odd.

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

The square root of 5146621 is about 2268.6165387742. The cubic root of 5146621 is about 172.6529735932.

The spelling of 5146621 in words is "five million, one hundred forty-six thousand, six hundred twenty-one".