5051623 has 4 divisors (see below), whose sum is σ = 5056128. Its totient is φ = 5047120.

The previous prime is 5051621. The next prime is 5051633. The reversal of 5051623 is 3261505.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 5051623 - 2¹ = 5051621 is a prime.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5051594 and 5051603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5051621) 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, 915 + ... + 3307.

It is an arithmetic number, because the mean of its divisors is an integer number (1264032).

Almost surely, 2^5051623 is an apocalyptic number.

5051623 is a deficient number, since it is larger than the sum of its proper divisors (4505).

5051623 is a wasteful number, since it uses less digits than its factorization.

5051623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 5051623 is about 2247.5815891754. The cubic root of 5051623 is about 171.5840748058.

The spelling of 5051623 in words is "five million, fifty-one thousand, six hundred twenty-three".