4951213 has 2 divisors, whose sum is σ = 4951214. Its totient is φ = 4951212.

The previous prime is 4951189. The next prime is 4951217. The reversal of 4951213 is 3121594.

4951213 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3305124 + 1646089 = 1818^2 + 1283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4951213 is a prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4951217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2475606 + 2475607.

It is an arithmetic number, because the mean of its divisors is an integer number (2475607).

Almost surely, 2^4951213 is an apocalyptic number.

It is an amenable number.

4951213 is a deficient number, since it is larger than the sum of its proper divisors (1).

4951213 is an equidigital number, since it uses as much as digits as its factorization.

4951213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1080, while the sum is 25.

The square root of 4951213 is about 2225.1321309082. The cubic root of 4951213 is about 170.4396119162.

The spelling of 4951213 in words is "four million, nine hundred fifty-one thousand, two hundred thirteen".