25290195 has 16 divisors (see below), whose sum is σ = 46245120. Its totient is φ = 11561184.

The previous prime is 25290157. The next prime is 25290211. The reversal of 25290195 is 59109252.

It is not a de Polignac number, because 25290195 - 2⁹ = 25289683 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120325 + ... + 120534.

It is an arithmetic number, because the mean of its divisors is an integer number (2890320).

Almost surely, 2^25290195 is an apocalyptic number.

25290195 is a deficient number, since it is larger than the sum of its proper divisors (20954925).

25290195 is a wasteful number, since it uses less digits than its factorization.

25290195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240874.

The product of its (nonzero) digits is 8100, while the sum is 33.

The square root of 25290195 is about 5028.9357721092. The cubic root of 25290195 is about 293.5288046590.

The spelling of 25290195 in words is "twenty-five million, two hundred ninety thousand, one hundred ninety-five".