25769434 has 16 divisors (see below), whose sum is σ = 40884480. Its totient is φ = 12147840.

The previous prime is 25769413. The next prime is 25769437. The reversal of 25769434 is 43496752.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (25769437) 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 7 ways as a sum of consecutive naturals, for example, 6954 + ... + 9994.

It is an arithmetic number, because the mean of its divisors is an integer number (2555280).

Almost surely, 2^25769434 is an apocalyptic number.

25769434 is a deficient number, since it is larger than the sum of its proper divisors (15115046).

25769434 is a wasteful number, since it uses less digits than its factorization.

25769434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3285.

The product of its digits is 181440, while the sum is 40.

The square root of 25769434 is about 5076.3603103011. The cubic root of 25769434 is about 295.3712992051.

The spelling of 25769434 in words is "twenty-five million, seven hundred sixty-nine thousand, four hundred thirty-four".