5100409 has 2 divisors, whose sum is σ = 5100410. Its totient is φ = 5100408.

The previous prime is 5100397. The next prime is 5100467. The reversal of 5100409 is 9040015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3250809 + 1849600 = 1803^2 + 1360^2 .

It is a cyclic number.

It is not a de Polignac number, because 5100409 - 2²¹ = 3003257 is a prime.

5100409 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (5100479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550204 + 2550205.

It is an arithmetic number, because the mean of its divisors is an integer number (2550205).

Almost surely, 2^5100409 is an apocalyptic number.

It is an amenable number.

5100409 is a deficient number, since it is larger than the sum of its proper divisors (1).

5100409 is an equidigital number, since it uses as much as digits as its factorization.

5100409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 5100409 is about 2258.4085104338. The cubic root of 5100409 is about 172.1346633350.

The spelling of 5100409 in words is "five million, one hundred thousand, four hundred nine".