2051454 has 16 divisors (see below), whose sum is σ = 4127760. Its totient is φ = 679680.

The previous prime is 2051443. The next prime is 2051459. The reversal of 2051454 is 4541502.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2051454.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2051459) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142 + ... + 2030.

It is an arithmetic number, because the mean of its divisors is an integer number (257985).

2^2051454 is an apocalyptic number.

2051454 is an abundant number, since it is smaller than the sum of its proper divisors (2076306).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2051454 is a wasteful number, since it uses less digits than its factorization.

2051454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2075.

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

The square root of 2051454 is about 1432.2897751503. The cubic root of 2051454 is about 127.0634357692.

Adding to 2051454 its reverse (4541502), we get a palindrome (6592956).

The spelling of 2051454 in words is "two million, fifty-one thousand, four hundred fifty-four".