25078823 has 24 divisors (see below), whose sum is σ = 32622240. Its totient is φ = 18849600.

The previous prime is 25078819. The next prime is 25078849. The reversal of 25078823 is 32887052.

It is a happy number.

It is not a de Polignac number, because 25078823 - 2² = 25078819 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25078813) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24053 + ... + 25073.

It is an arithmetic number, because the mean of its divisors is an integer number (1359260).

Almost surely, 2^25078823 is an apocalyptic number.

25078823 is a deficient number, since it is larger than the sum of its proper divisors (7543417).

25078823 is a wasteful number, since it uses less digits than its factorization.

25078823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079 (or 1068 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 25078823 is about 5007.8760967101. The cubic root of 25078823 is about 292.7087578818.

The spelling of 25078823 in words is "twenty-five million, seventy-eight thousand, eight hundred twenty-three".