5451985 has 48 divisors (see below), whose sum is σ = 8841600. Its totient is φ = 3198720.

The previous prime is 5451961. The next prime is 5452009. The reversal of 5451985 is 5891545.

5451985 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (5451961) and next prime (5452009).

It is not a de Polignac number, because 5451985 - 2⁹ = 5451473 is a prime.

Its product of digits (36000) is a multiple of the sum of its prime divisors (40).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 320697 + ... + 320713.

It is an arithmetic number, because the mean of its divisors is an integer number (184200).

Almost surely, 2^5451985 is an apocalyptic number.

5451985 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

5451985 is a deficient number, since it is larger than the sum of its proper divisors (3389615).

5451985 is a wasteful number, since it uses less digits than its factorization.

5451985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71 (or 40 counting only the distinct ones).

The product of its digits is 36000, while the sum is 37.

The square root of 5451985 is about 2334.9486075715. The cubic root of 5451985 is about 176.0022490243.

The spelling of 5451985 in words is "five million, four hundred fifty-one thousand, nine hundred eighty-five".