5151211 has 4 divisors (see below), whose sum is σ = 5547472. Its totient is φ = 4754952.

The previous prime is 5151203. The next prime is 5151217. The reversal of 5151211 is 1121515.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1121515 = 5 ⋅224303.

It is a cyclic number.

It is not a de Polignac number, because 5151211 - 2³ = 5151203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5151217) 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, 198111 + ... + 198136.

It is an arithmetic number, because the mean of its divisors is an integer number (1386868).

Almost surely, 2^5151211 is an apocalyptic number.

5151211 is a deficient number, since it is larger than the sum of its proper divisors (396261).

5151211 is a wasteful number, since it uses less digits than its factorization.

5151211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 396260.

The product of its digits is 50, while the sum is 16.

The square root of 5151211 is about 2269.6279430779. The cubic root of 5151211 is about 172.7042850378.

Adding to 5151211 its reverse (1121515), we get a palindrome (6272726).

The spelling of 5151211 in words is "five million, one hundred fifty-one thousand, two hundred eleven".