2054405451 has 16 divisors (see below), whose sum is σ = 3189590784. Its totient is φ = 1151795424.

The previous prime is 2054405407. The next prime is 2054405497. The reversal of 2054405451 is 1545044502.

It is not a de Polignac number, because 2054405451 - 2⁶ = 2054405387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2054405051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 921801 + ... + 924026.

It is an arithmetic number, because the mean of its divisors is an integer number (199349424).

Almost surely, 2^2054405451 is an apocalyptic number.

2054405451 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2054405451 is a deficient number, since it is larger than the sum of its proper divisors (1135185333).

2054405451 is a wasteful number, since it uses less digits than its factorization.

2054405451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845890.

The product of its (nonzero) digits is 16000, while the sum is 30.

The square root of 2054405451 is about 45325.5496491769. The cubic root of 2054405451 is about 1271.2434245601.

Adding to 2054405451 its reverse (1545044502), we get a palindrome (3599449953).

The spelling of 2054405451 in words is "two billion, fifty-four million, four hundred five thousand, four hundred fifty-one".