25812034 has 4 divisors (see below), whose sum is σ = 38718054. Its totient is φ = 12906016.

The previous prime is 25812029. The next prime is 25812037. The reversal of 25812034 is 43021852.

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

It can be written as a sum of positive squares in only one way, i.e., 23571025 + 2241009 = 4855^2 + 1497^2 .

It is a super-2 number, since 2×25812034² = 1332522198434312, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25812037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6453007 + ... + 6453010.

Almost surely, 2^25812034 is an apocalyptic number.

25812034 is a deficient number, since it is larger than the sum of its proper divisors (12906020).

25812034 is a wasteful number, since it uses less digits than its factorization.

25812034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12906019.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 25812034 is about 5080.5544972965. The cubic root of 25812034 is about 295.5339711270.

Adding to 25812034 its reverse (43021852), we get a palindrome (68833886).

The spelling of 25812034 in words is "twenty-five million, eight hundred twelve thousand, thirty-four".