5151213 has 6 divisors (see below), whose sum is σ = 7440654. Its totient is φ = 3434136.

The previous prime is 5151203. The next prime is 5151217. The reversal of 5151213 is 3121515.

It can be written as a sum of positive squares in only one way, i.e., 4235364 + 915849 = 2058^2 + 957^2 .

It is not a de Polignac number, because 5151213 - 2⁴ = 5151197 is a prime.

It is a congruent 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 5 ways as a sum of consecutive naturals, for example, 286170 + ... + 286187.

It is an arithmetic number, because the mean of its divisors is an integer number (1240109).

Almost surely, 2^5151213 is an apocalyptic number.

It is an amenable number.

5151213 is a deficient number, since it is larger than the sum of its proper divisors (2289441).

5151213 is a wasteful number, since it uses less digits than its factorization.

5151213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572363 (or 572360 counting only the distinct ones).

The product of its digits is 150, while the sum is 18.

The square root of 5151213 is about 2269.6283836787. The cubic root of 5151213 is about 172.7043073891.

Adding to 5151213 its reverse (3121515), we get a palindrome (8272728).

It can be divided in two parts, 515 and 1213, that added together give a cube (1728 = 12³).

The spelling of 5151213 in words is "five million, one hundred fifty-one thousand, two hundred thirteen".