25502873 has 8 divisors (see below), whose sum is σ = 29458080. Its totient is φ = 21820480.

The previous prime is 25502831. The next prime is 25502899. The reversal of 25502873 is 37820552.

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

It is not a de Polignac number, because 25502873 - 2¹⁰ = 25501849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25502773) 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, 68003 + ... + 68376.

It is an arithmetic number, because the mean of its divisors is an integer number (3682260).

Almost surely, 2^25502873 is an apocalyptic number.

It is an amenable number.

25502873 is a deficient number, since it is larger than the sum of its proper divisors (3955207).

25502873 is a wasteful number, since it uses less digits than its factorization.

25502873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136407.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 25502873 is about 5050.0369305580. The cubic root of 25502873 is about 294.3493194661.

The spelling of 25502873 in words is "twenty-five million, five hundred two thousand, eight hundred seventy-three".