25930493 has 4 divisors (see below), whose sum is σ = 25956960. Its totient is φ = 25904028.

The previous prime is 25930483. The next prime is 25930517. The reversal of 25930493 is 39403952.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25930493 - 2⁸ = 25930237 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25930483) 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, 11705 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (6489240).

Almost surely, 2^25930493 is an apocalyptic number.

It is an amenable number.

25930493 is a deficient number, since it is larger than the sum of its proper divisors (26467).

25930493 is a wasteful number, since it uses less digits than its factorization.

25930493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26466.

The product of its (nonzero) digits is 29160, while the sum is 35.

The square root of 25930493 is about 5092.1992301951. The cubic root of 25930493 is about 295.9853786605.

The spelling of 25930493 in words is "twenty-five million, nine hundred thirty thousand, four hundred ninety-three".