25564034 has 4 divisors (see below), whose sum is σ = 38346054. Its totient is φ = 12782016.

The previous prime is 25564027. The next prime is 25564067. The reversal of 25564034 is 43046552.

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., 21576025 + 3988009 = 4645^2 + 1997^2 .

It is a junction number, because it is equal to n+sod(n) for n = 25563988 and 25564006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6391007 + ... + 6391010.

Almost surely, 2^25564034 is an apocalyptic number.

25564034 is a deficient number, since it is larger than the sum of its proper divisors (12782020).

25564034 is a wasteful number, since it uses less digits than its factorization.

25564034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12782019.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 25564034 is about 5056.0888045999. The cubic root of 25564034 is about 294.5844344995.

The spelling of 25564034 in words is "twenty-five million, five hundred sixty-four thousand, thirty-four".