25616195 has 16 divisors (see below), whose sum is σ = 35507808. Its totient is φ = 17533440.

The previous prime is 25616191. The next prime is 25616197. The reversal of 25616195 is 59161652.

It is not a de Polignac number, because 25616195 - 2² = 25616191 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25616191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12764 + ... + 14633.

It is an arithmetic number, because the mean of its divisors is an integer number (2219238).

Almost surely, 2^25616195 is an apocalyptic number.

25616195 is a deficient number, since it is larger than the sum of its proper divisors (9891613).

25616195 is a wasteful number, since it uses less digits than its factorization.

25616195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27430.

The product of its digits is 16200, while the sum is 35.

The square root of 25616195 is about 5061.2444121975. The cubic root of 25616195 is about 294.7846556342.

The spelling of 25616195 in words is "twenty-five million, six hundred sixteen thousand, one hundred ninety-five".