5105651 has 4 divisors (see below), whose sum is σ = 5156304. Its totient is φ = 5055000.

The previous prime is 5105641. The next prime is 5105671. The reversal of 5105651 is 1565015.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1565015 = 5 ⋅313003.

It is a cyclic number.

It is not a de Polignac number, because 5105651 - 2⁶ = 5105587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5105641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25175 + ... + 25376.

It is an arithmetic number, because the mean of its divisors is an integer number (1289076).

Almost surely, 2^5105651 is an apocalyptic number.

5105651 is a deficient number, since it is larger than the sum of its proper divisors (50653).

5105651 is a wasteful number, since it uses less digits than its factorization.

5105651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50652.

The product of its (nonzero) digits is 750, while the sum is 23.

The square root of 5105651 is about 2259.5687641672. The cubic root of 5105651 is about 172.1936142253.

The spelling of 5105651 in words is "five million, one hundred five thousand, six hundred fifty-one".