25323949 has 8 divisors (see below), whose sum is σ = 28972160. Its totient is φ = 21683376.

The previous prime is 25323917. The next prime is 25323959. The reversal of 25323949 is 94932352.

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 25323949 - 2⁵ = 25323917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25323959) 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, 11467 + ... + 13495.

It is an arithmetic number, because the mean of its divisors is an integer number (3621520).

Almost surely, 2^25323949 is an apocalyptic number.

It is an amenable number.

25323949 is a deficient number, since it is larger than the sum of its proper divisors (3648211).

25323949 is a wasteful number, since it uses less digits than its factorization.

25323949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3819.

The product of its digits is 58320, while the sum is 37.

The square root of 25323949 is about 5032.2906315117. The cubic root of 25323949 is about 293.6593343851.

The spelling of 25323949 in words is "twenty-five million, three hundred twenty-three thousand, nine hundred forty-nine".