5451847 has 2 divisors, whose sum is σ = 5451848. Its totient is φ = 5451846.

The previous prime is 5451833. The next prime is 5451871. The reversal of 5451847 is 7481545.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5451847 is a prime.

It is a super-2 number, since 2×5451847² = 59445271422818, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725923 + 2725924.

It is an arithmetic number, because the mean of its divisors is an integer number (2725924).

Almost surely, 2^5451847 is an apocalyptic number.

5451847 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451847 is an equidigital number, since it uses as much as digits as its factorization.

5451847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22400, while the sum is 34.

The square root of 5451847 is about 2334.9190564129. The cubic root of 5451847 is about 176.0007640291. Note that the first 3 decimals are identical.

The spelling of 5451847 in words is "five million, four hundred fifty-one thousand, eight hundred forty-seven".