4951191 has 16 divisors (see below), whose sum is σ = 7942400. Its totient is φ = 2680128.

The previous prime is 4951189. The next prime is 4951213. The reversal of 4951191 is 1911594.

4951191 is digitally balanced in base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4951191 - 2¹ = 4951189 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4951151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5806 + ... + 6603.

It is an arithmetic number, because the mean of its divisors is an integer number (496400).

Almost surely, 2^4951191 is an apocalyptic number.

4951191 is a deficient number, since it is larger than the sum of its proper divisors (2991209).

4951191 is a wasteful number, since it uses less digits than its factorization.

4951191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12438.

The product of its digits is 1620, while the sum is 30.

The square root of 4951191 is about 2225.1271873760. The cubic root of 4951191 is about 170.4393594746.

The spelling of 4951191 in words is "four million, nine hundred fifty-one thousand, one hundred ninety-one".