25249323 has 8 divisors (see below), whose sum is σ = 36726336. Its totient is φ = 15302600.

The previous prime is 25249307. The next prime is 25249327. The reversal of 25249323 is 32394252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25249323 - 2⁴ = 25249307 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25249327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 382533 + ... + 382598.

It is an arithmetic number, because the mean of its divisors is an integer number (4590792).

Almost surely, 2^25249323 is an apocalyptic number.

25249323 is a deficient number, since it is larger than the sum of its proper divisors (11477013).

25249323 is a wasteful number, since it uses less digits than its factorization.

25249323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 765145.

The product of its digits is 12960, while the sum is 30.

The square root of 25249323 is about 5024.8704460911. The cubic root of 25249323 is about 293.3705934361.

Subtracting 25249323 from its reverse (32394252), we obtain a square (7144929 = 2673²).

The spelling of 25249323 in words is "twenty-five million, two hundred forty-nine thousand, three hundred twenty-three".