25195097 has 4 divisors (see below), whose sum is σ = 26290560. Its totient is φ = 24099636.

The previous prime is 25195081. The next prime is 25195103. The reversal of 25195097 is 79059152.

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 25195097 - 2⁴ = 25195081 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 25195097.

It is not an unprimeable number, because it can be changed into a prime (25195057) 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, 547697 + ... + 547742.

It is an arithmetic number, because the mean of its divisors is an integer number (6572640).

Almost surely, 2^25195097 is an apocalyptic number.

It is an amenable number.

25195097 is a deficient number, since it is larger than the sum of its proper divisors (1095463).

25195097 is a wasteful number, since it uses less digits than its factorization.

25195097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1095462.

The product of its (nonzero) digits is 28350, while the sum is 38.

The square root of 25195097 is about 5019.4717849591. The cubic root of 25195097 is about 293.1604265370.

The spelling of 25195097 in words is "twenty-five million, one hundred ninety-five thousand, ninety-seven".