25098195 has 16 divisors (see below), whose sum is σ = 41542560. Its totient is φ = 12923904.

The previous prime is 25098193. The next prime is 25098209. The reversal of 25098195 is 59189052.

It is not a de Polignac number, because 25098195 - 2¹ = 25098193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25098193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28414 + ... + 29283.

It is an arithmetic number, because the mean of its divisors is an integer number (2596410).

Almost surely, 2^25098195 is an apocalyptic number.

25098195 is a deficient number, since it is larger than the sum of its proper divisors (16444365).

25098195 is a wasteful number, since it uses less digits than its factorization.

25098195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57734.

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 25098195 is about 5009.8098766320. The cubic root of 25098195 is about 292.7841055789.

The spelling of 25098195 in words is "twenty-five million, ninety-eight thousand, one hundred ninety-five".