2054085251 has 4 divisors (see below), whose sum is σ = 2069078712. Its totient is φ = 2039091792.

The previous prime is 2054085247. The next prime is 2054085287. The reversal of 2054085251 is 1525804502.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2054085251 - 2² = 2054085247 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2054085221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7496525 + ... + 7496798.

It is an arithmetic number, because the mean of its divisors is an integer number (517269678).

Almost surely, 2^2054085251 is an apocalyptic number.

2054085251 is a deficient number, since it is larger than the sum of its proper divisors (14993461).

2054085251 is a wasteful number, since it uses less digits than its factorization.

2054085251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14993460.

The product of its (nonzero) digits is 16000, while the sum is 32.

The square root of 2054085251 is about 45322.0172874068. The cubic root of 2054085251 is about 1271.1773757195.

Adding to 2054085251 its reverse (1525804502), we get a palindrome (3579889753).

The spelling of 2054085251 in words is "two billion, fifty-four million, eighty-five thousand, two hundred fifty-one".