25029993 has 8 divisors (see below), whose sum is σ = 33400000. Its totient is φ = 16673328.

The previous prime is 25029959. The next prime is 25030013. The reversal of 25029993 is 39992052.

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

It is not a de Polignac number, because 25029993 - 2⁹ = 25029481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25029293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2508 + ... + 7506.

It is an arithmetic number, because the mean of its divisors is an integer number (4175000).

Almost surely, 2^25029993 is an apocalyptic number.

It is an amenable number.

25029993 is a deficient number, since it is larger than the sum of its proper divisors (8370007).

25029993 is a wasteful number, since it uses less digits than its factorization.

25029993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6671.

The product of its (nonzero) digits is 43740, while the sum is 39.

The square root of 25029993 is about 5002.9984009592. The cubic root of 25029993 is about 292.5186605087.

The spelling of 25029993 in words is "twenty-five million, twenty-nine thousand, nine hundred ninety-three".