5125091 has 4 divisors (see below), whose sum is σ = 5159184. Its totient is φ = 5091000.

The previous prime is 5125073. The next prime is 5125093. The reversal of 5125091 is 1905215.

5125091 = 104² + 105² + ... + 254².

5125091 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5125091 - 2⁶ = 5125027 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5125093) 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, 16820 + ... + 17121.

It is an arithmetic number, because the mean of its divisors is an integer number (1289796).

Almost surely, 2^5125091 is an apocalyptic number.

5125091 is a deficient number, since it is larger than the sum of its proper divisors (34093).

5125091 is a wasteful number, since it uses less digits than its factorization.

5125091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34092.

The product of its (nonzero) digits is 450, while the sum is 23.

The square root of 5125091 is about 2263.8663829829. The cubic root of 5125091 is about 172.4118824611.

The spelling of 5125091 in words is "five million, one hundred twenty-five thousand, ninety-one".