7850113 has 4 divisors (see below), whose sum is σ = 7931140. Its totient is φ = 7769088.

The previous prime is 7850111. The next prime is 7850119. The reversal of 7850113 is 3110587.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3110587 = 241 ⋅12907.

It can be written as a sum of positive squares in 2 ways, for example, as 4566769 + 3283344 = 2137^2 + 1812^2 .

It is a cyclic number.

It is not a de Polignac number, because 7850113 - 2¹ = 7850111 is a prime.

It is a super-2 number, since 2×7850113² = 123248548225538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7850111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40368 + ... + 40561.

It is an arithmetic number, because the mean of its divisors is an integer number (1982785).

Almost surely, 2^7850113 is an apocalyptic number.

It is an amenable number.

7850113 is a deficient number, since it is larger than the sum of its proper divisors (81027).

7850113 is an equidigital number, since it uses as much as digits as its factorization.

7850113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81026.

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 7850113 is about 2801.8053108665. The cubic root of 7850113 is about 198.7430587083.

The spelling of 7850113 in words is "seven million, eight hundred fifty thousand, one hundred thirteen".