2051254904 has 8 divisors (see below), whose sum is σ = 3846102960. Its totient is φ = 1025627448.

The previous prime is 2051254889. The next prime is 2051254913. The reversal of 2051254904 is 4094521502.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 128203424 + ... + 128203439.

It is an arithmetic number, because the mean of its divisors is an integer number (480762870).

Almost surely, 2^2051254904 is an apocalyptic number.

It is an amenable number.

2051254904 is a deficient number, since it is larger than the sum of its proper divisors (1794848056).

2051254904 is a wasteful number, since it uses less digits than its factorization.

2051254904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256406869 (or 256406865 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2051254904 is about 45290.7816669132. The cubic root of 2051254904 is about 1270.5932508473.

The spelling of 2051254904 in words is "two billion, fifty-one million, two hundred fifty-four thousand, nine hundred four".