5121554 has 8 divisors (see below), whose sum is σ = 7812720. Its totient is φ = 2517316.

The previous prime is 5121553. The next prime is 5121559. The reversal of 5121554 is 4551215.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (5121551) 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, 21584 + ... + 21819.

It is an arithmetic number, because the mean of its divisors is an integer number (976590).

Almost surely, 2^5121554 is an apocalyptic number.

5121554 is a deficient number, since it is larger than the sum of its proper divisors (2691166).

5121554 is a wasteful number, since it uses less digits than its factorization.

5121554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43464.

The product of its digits is 1000, while the sum is 23.

The square root of 5121554 is about 2263.0850624756. The cubic root of 5121554 is about 172.3722108944.

Adding to 5121554 its reverse (4551215), we get a palindrome (9672769).

The spelling of 5121554 in words is "five million, one hundred twenty-one thousand, five hundred fifty-four".