25764851 has 16 divisors (see below), whose sum is σ = 30481920. Its totient is φ = 21318720.

The previous prime is 25764841. The next prime is 25764881. The reversal of 25764851 is 15846752.

It is a cyclic number.

It is not a de Polignac number, because 25764851 - 2¹⁰ = 25763827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25764811) 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 15 ways as a sum of consecutive naturals, for example, 30290 + ... + 31128.

It is an arithmetic number, because the mean of its divisors is an integer number (1905120).

Almost surely, 2^25764851 is an apocalyptic number.

25764851 is a deficient number, since it is larger than the sum of its proper divisors (4717069).

25764851 is a wasteful number, since it uses less digits than its factorization.

25764851 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994.

The product of its digits is 67200, while the sum is 38.

The square root of 25764851 is about 5075.9088841310. The cubic root of 25764851 is about 295.3537879303.

The spelling of 25764851 in words is "twenty-five million, seven hundred sixty-four thousand, eight hundred fifty-one".