25481011 has 8 divisors (see below), whose sum is σ = 27024624. Its totient is φ = 23942400.

The previous prime is 25481009. The next prime is 25481021. The reversal of 25481011 is 11018452.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 25481011 - 2¹ = 25481009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (25481021) 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 7 ways as a sum of consecutive naturals, for example, 16836 + ... + 18286.

It is an arithmetic number, because the mean of its divisors is an integer number (3378078).

Almost surely, 2^25481011 is an apocalyptic number.

25481011 is a deficient number, since it is larger than the sum of its proper divisors (1543613).

25481011 is a wasteful number, since it uses less digits than its factorization.

25481011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2501.

The product of its (nonzero) digits is 320, while the sum is 22.

The square root of 25481011 is about 5047.8719278524. The cubic root of 25481011 is about 294.2651864028.

Adding to 25481011 its reverse (11018452), we get a palindrome (36499463).

The spelling of 25481011 in words is "twenty-five million, four hundred eighty-one thousand, eleven".