5091242 has 8 divisors (see below), whose sum is σ = 8224356. Its totient is φ = 2349792.

The previous prime is 5091241. The next prime is 5091253. The reversal of 5091242 is 2421905.

It can be written as a sum of positive squares in 2 ways, for example, as 4923961 + 167281 = 2219^2 + 409^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (5091241) 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, 97883 + ... + 97934.

Almost surely, 2^5091242 is an apocalyptic number.

5091242 is a deficient number, since it is larger than the sum of its proper divisors (3133114).

5091242 is a wasteful number, since it uses less digits than its factorization.

5091242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195832.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 5091242 is about 2256.3780711574. The cubic root of 5091242 is about 172.0314752205.

The spelling of 5091242 in words is "five million, ninety-one thousand, two hundred forty-two".