5078621 has 4 divisors (see below), whose sum is σ = 5128032. Its totient is φ = 5029212.

The previous prime is 5078617. The next prime is 5078651. The reversal of 5078621 is 1268705.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1268705 = 5 ⋅253741.

It is a cyclic number.

It is not a de Polignac number, because 5078621 - 2² = 5078617 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5078651) 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, 24551 + ... + 24756.

It is an arithmetic number, because the mean of its divisors is an integer number (1282008).

Almost surely, 2^5078621 is an apocalyptic number.

It is an amenable number.

5078621 is a deficient number, since it is larger than the sum of its proper divisors (49411).

5078621 is a wasteful number, since it uses less digits than its factorization.

5078621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49410.

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 5078621 is about 2253.5795969967. The cubic root of 5078621 is about 171.8892043798.

The spelling of 5078621 in words is "five million, seventy-eight thousand, six hundred twenty-one".