4952191 has 4 divisors (see below), whose sum is σ = 5086072. Its totient is φ = 4818312.

The previous prime is 4952183. The next prime is 4952201. The reversal of 4952191 is 1912594.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4952191 - 2³ = 4952183 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4952891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66885 + ... + 66958.

It is an arithmetic number, because the mean of its divisors is an integer number (1271518).

Almost surely, 2^4952191 is an apocalyptic number.

4952191 is a deficient number, since it is larger than the sum of its proper divisors (133881).

4952191 is a wasteful number, since it uses less digits than its factorization.

4952191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133880.

The product of its digits is 3240, while the sum is 31.

The square root of 4952191 is about 2225.3518822874. The cubic root of 4952191 is about 170.4508333392.

The spelling of 4952191 in words is "four million, nine hundred fifty-two thousand, one hundred ninety-one".