2054451 has 24 divisors (see below), whose sum is σ = 3316224. Its totient is φ = 1108080.

The previous prime is 2054449. The next prime is 2054471. The reversal of 2054451 is 1544502.

It is not a de Polignac number, because 2054451 - 2¹ = 2054449 is a prime.

It is a super-2 number, since 2×2054451² = 8441537822802, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

2054451 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2054471) 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 23 ways as a sum of consecutive naturals, for example, 7446 + ... + 7716.

It is an arithmetic number, because the mean of its divisors is an integer number (138176).

2^2054451 is an apocalyptic number.

2054451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2054451 is a deficient number, since it is larger than the sum of its proper divisors (1261773).

2054451 is a wasteful number, since it uses less digits than its factorization.

2054451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 300 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2054451 is about 1433.3356201532. The cubic root of 2054451 is about 127.1252819564.

Adding to 2054451 its reverse (1544502), we get a palindrome (3598953).

It can be divided in two parts, 205 and 4451, that added together give a triangular number (4656 = T₉₆).

The spelling of 2054451 in words is "two million, fifty-four thousand, four hundred fifty-one".