25575361 has 16 divisors (see below), whose sum is σ = 32019840. Its totient is φ = 19918080.

The previous prime is 25575359. The next prime is 25575367. The reversal of 25575361 is 16357552.

It is not a de Polignac number, because 25575361 - 2¹ = 25575359 is a prime.

It is not an unprimeable number, because it can be changed into a prime (25575367) by changing a digit.

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, 255 + ... + 7156.

It is an arithmetic number, because the mean of its divisors is an integer number (2001240).

Almost surely, 2^25575361 is an apocalyptic number.

It is an amenable number.

25575361 is a deficient number, since it is larger than the sum of its proper divisors (6444479).

25575361 is a wasteful number, since it uses less digits than its factorization.

25575361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7464.

The product of its digits is 31500, while the sum is 34.

The square root of 25575361 is about 5057.2088151469. The cubic root of 25575361 is about 294.6279365696.

The spelling of 25575361 in words is "twenty-five million, five hundred seventy-five thousand, three hundred sixty-one".