25126873 has 4 divisors (see below), whose sum is σ = 26449360. Its totient is φ = 23804388.

The previous prime is 25126859. The next prime is 25126877. The reversal of 25126873 is 37862152.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 25126873 - 2⁵ = 25126841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25126877) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 661215 + ... + 661252.

It is an arithmetic number, because the mean of its divisors is an integer number (6612340).

Almost surely, 2^25126873 is an apocalyptic number.

It is an amenable number.

25126873 is a deficient number, since it is larger than the sum of its proper divisors (1322487).

25126873 is a wasteful number, since it uses less digits than its factorization.

25126873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1322486.

The product of its digits is 20160, while the sum is 34.

The square root of 25126873 is about 5012.6712439577. The cubic root of 25126873 is about 292.8955779588.

The spelling of 25126873 in words is "twenty-five million, one hundred twenty-six thousand, eight hundred seventy-three".