25505095 has 32 divisors (see below), whose sum is σ = 39407616. Its totient is φ = 15379200.

The previous prime is 25505093. The next prime is 25505101. The reversal of 25505095 is 59050552.

It is not a de Polignac number, because 25505095 - 2¹ = 25505093 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25505093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10867 + ... + 13003.

It is an arithmetic number, because the mean of its divisors is an integer number (1231488).

Almost surely, 2^25505095 is an apocalyptic number.

25505095 is a deficient number, since it is larger than the sum of its proper divisors (13902521).

25505095 is a wasteful number, since it uses less digits than its factorization.

25505095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2191.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 25505095 is about 5050.2569241574. The cubic root of 25505095 is about 294.3578678520.

The spelling of 25505095 in words is "twenty-five million, five hundred five thousand, ninety-five".