25127993 has 8 divisors (see below), whose sum is σ = 27721440. Its totient is φ = 22586080.

The previous prime is 25127981. The next prime is 25128017. The reversal of 25127993 is 39972152.

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

It is not a de Polignac number, because 25127993 - 2¹⁴ = 25111609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25127393) 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, 11855 + ... + 13812.

It is an arithmetic number, because the mean of its divisors is an integer number (3465180).

Almost surely, 2^25127993 is an apocalyptic number.

It is an amenable number.

25127993 is a deficient number, since it is larger than the sum of its proper divisors (2593447).

25127993 is a wasteful number, since it uses less digits than its factorization.

25127993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25767.

The product of its digits is 34020, while the sum is 38.

The square root of 25127993 is about 5012.7829595944. The cubic root of 25127993 is about 292.8999297163.

The spelling of 25127993 in words is "twenty-five million, one hundred twenty-seven thousand, nine hundred ninety-three".