5101643 has 2 divisors, whose sum is σ = 5101644. Its totient is φ = 5101642.

The previous prime is 5101631. The next prime is 5101661. The reversal of 5101643 is 3461015.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5101643 - 2⁴ = 5101627 is a prime.

It is a super-2 number, since 2×5101643² = 52053522598898, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (5101673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2550821 + 2550822.

It is an arithmetic number, because the mean of its divisors is an integer number (2550822).

Almost surely, 2^5101643 is an apocalyptic number.

5101643 is a deficient number, since it is larger than the sum of its proper divisors (1).

5101643 is an equidigital number, since it uses as much as digits as its factorization.

5101643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5101643 is about 2258.6816951487. The cubic root of 5101643 is about 172.1485443816.

Adding to 5101643 its reverse (3461015), we get a palindrome (8562658).

The spelling of 5101643 in words is "five million, one hundred one thousand, six hundred forty-three".