7491853 has 2 divisors, whose sum is σ = 7491854. Its totient is φ = 7491852.

The previous prime is 7491851. The next prime is 7491893. The reversal of 7491853 is 3581947.

7491853 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7387524 + 104329 = 2718^2 + 323^2 .

It is a cyclic number.

It is not a de Polignac number, because 7491853 - 2¹ = 7491851 is a prime.

It is a super-2 number, since 2×7491853² = 112255722747218, which contains 22 as substring.

Together with 7491851, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7491851) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3745926 + 3745927.

It is an arithmetic number, because the mean of its divisors is an integer number (3745927).

Almost surely, 2^7491853 is an apocalyptic number.

It is an amenable number.

7491853 is a deficient number, since it is larger than the sum of its proper divisors (1).

7491853 is an equidigital number, since it uses as much as digits as its factorization.

7491853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 37.

The square root of 7491853 is about 2737.1249514774. The cubic root of 7491853 is about 195.6724798756.

The spelling of 7491853 in words is "seven million, four hundred ninety-one thousand, eight hundred fifty-three".