25687034 has 16 divisors (see below), whose sum is σ = 42114816. Its totient is φ = 11697600.

The previous prime is 25687009. The next prime is 25687073. The reversal of 25687034 is 43078652.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25686985 and 25687003.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11132 + ... + 13239.

It is an arithmetic number, because the mean of its divisors is an integer number (2632176).

Almost surely, 2^25687034 is an apocalyptic number.

25687034 is a deficient number, since it is larger than the sum of its proper divisors (16427782).

25687034 is a wasteful number, since it uses less digits than its factorization.

25687034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24421.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 25687034 is about 5068.2377608001. The cubic root of 25687034 is about 295.0561379327.

The spelling of 25687034 in words is "twenty-five million, six hundred eighty-seven thousand, thirty-four".