25486814 has 4 divisors (see below), whose sum is σ = 38230224. Its totient is φ = 12743406.

The previous prime is 25486807. The next prime is 25486817. The reversal of 25486814 is 41868452.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25486817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6371702 + ... + 6371705.

It is an arithmetic number, because the mean of its divisors is an integer number (9557556).

Almost surely, 2^25486814 is an apocalyptic number.

25486814 is a deficient number, since it is larger than the sum of its proper divisors (12743410).

25486814 is a wasteful number, since it uses less digits than its factorization.

25486814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12743409.

The product of its digits is 61440, while the sum is 38.

The square root of 25486814 is about 5048.4466918053. The cubic root of 25486814 is about 294.2875231835.

The spelling of 25486814 in words is "twenty-five million, four hundred eighty-six thousand, eight hundred fourteen".