25078323 has 4 divisors (see below), whose sum is σ = 33437768. Its totient is φ = 16718880.

The previous prime is 25078321. The next prime is 25078351. The reversal of 25078323 is 32387052.

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

It is not a de Polignac number, because 25078323 - 2¹ = 25078321 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25078321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4179718 + ... + 4179723.

It is an arithmetic number, because the mean of its divisors is an integer number (8359442).

Almost surely, 2^25078323 is an apocalyptic number.

25078323 is a deficient number, since it is larger than the sum of its proper divisors (8359445).

25078323 is an equidigital number, since it uses as much as digits as its factorization.

25078323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8359444.

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 25078323 is about 5007.8261750983. The cubic root of 25078323 is about 292.7068126104.

The spelling of 25078323 in words is "twenty-five million, seventy-eight thousand, three hundred twenty-three".